diff --git a/package-lock.json b/package-lock.json
index 068dae1..0203874 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -14,6 +14,7 @@
         "@astrojs/tailwind": "5.1.0",
         "@material-design-icons/svg": "0.14.13",
         "@nanostores/persistent": "0.10.2",
+        "@tanstack/solid-table": "8.20.1",
         "@testing-library/jest-dom": "6.4.8",
         "@testing-library/react": "16.0.0",
         "astro-i18next": "1.0.0-beta.21",
@@ -2275,6 +2276,36 @@
         "@types/hast": "^3.0.4"
       }
     },
+    "node_modules/@tanstack/solid-table": {
+      "version": "8.20.1",
+      "resolved": "https://registry.npmjs.org/@tanstack/solid-table/-/solid-table-8.20.1.tgz",
+      "integrity": "sha512-W5MdWxFL7HHmxXKyl2WnoikAcp91d6nIXUodd0a20TWKj4QiwERhDcx0Y9sSIdchOuybxROyopBkSvFj2iyZLA==",
+      "dependencies": {
+        "@tanstack/table-core": "8.20.1"
+      },
+      "engines": {
+        "node": ">=12"
+      },
+      "funding": {
+        "type": "github",
+        "url": "https://github.com/sponsors/tannerlinsley"
+      },
+      "peerDependencies": {
+        "solid-js": ">=1.3"
+      }
+    },
+    "node_modules/@tanstack/table-core": {
+      "version": "8.20.1",
+      "resolved": "https://registry.npmjs.org/@tanstack/table-core/-/table-core-8.20.1.tgz",
+      "integrity": "sha512-5Ly5TIRHnWH7vSDell9B/OVyV380qqIJVg7H7R7jU4fPEmOD4smqAX7VRflpYI09srWR8aj5OLD2Ccs1pI5mTg==",
+      "engines": {
+        "node": ">=12"
+      },
+      "funding": {
+        "type": "github",
+        "url": "https://github.com/sponsors/tannerlinsley"
+      }
+    },
     "node_modules/@testing-library/dom": {
       "version": "10.4.0",
       "resolved": "https://registry.npmjs.org/@testing-library/dom/-/dom-10.4.0.tgz",
diff --git a/package.json b/package.json
index 88d2b16..225e0ae 100644
--- a/package.json
+++ b/package.json
@@ -8,6 +8,7 @@
     "@astrojs/tailwind": "5.1.0",
     "@material-design-icons/svg": "0.14.13",
     "@nanostores/persistent": "0.10.2",
+    "@tanstack/solid-table": "8.20.1",
     "@testing-library/jest-dom": "6.4.8",
     "@testing-library/react": "16.0.0",
     "astro-i18next": "1.0.0-beta.21",
diff --git a/scripts/buildVideoPack.ts b/scripts/buildVideoPack.ts
new file mode 100644
index 0000000..37cb7c2
--- /dev/null
+++ b/scripts/buildVideoPack.ts
@@ -0,0 +1,37 @@
+/**
+ * Just a one time script to generate a video pack. This may be removed in the future.
+ */
+
+import darmstadt from "../src/data/dojos/aikido-dojo-darmstadt/details.ts";
+import { resolveExamTables } from "$core/resolveExamTables";
+import { buildTechniqueTree } from "$core/buildExamTable/buildExamTable.ts";
+import type { VideoPack } from "$core/model/VideoPack.ts";
+import { coerceToArray } from "$core/utils/coerceToArray.ts";
+
+import prettier from "prettier";
+
+const allTechniques = resolveExamTables(darmstadt.exams);
+
+let counter = 0;
+for (const technique of allTechniques) {
+  for (const youtube of coerceToArray(technique.metadata.youtube)) {
+    youtube.id = String(counter++);
+  }
+}
+
+const pack: VideoPack = {
+  name: "Aikido Kompendium",
+  source: "https://www.aikido-kompendium.de",
+  videos: buildTechniqueTree(allTechniques, (technique) => coerceToArray(technique.metadata.youtube)),
+};
+
+// eslint-disable-next-line no-console
+console.log(
+  await prettier.format(
+    `import type {VideoPack} from "$core/model/VideoPack";
+
+export default ${JSON.stringify(pack, null, 2)} satisfies VideoPack
+`,
+    { parser: "typescript" },
+  ),
+);
diff --git a/scripts/sort-translations.ts b/scripts/sort-translations.ts
index e65b750..bb05c81 100644
--- a/scripts/sort-translations.ts
+++ b/scripts/sort-translations.ts
@@ -1,7 +1,11 @@
 import fs from "node:fs/promises";
 import prettier from "prettier";
+import { fileURLToPath } from "url";
 
-for (const file of process.argv.slice(2)) {
+const urls = import.meta.glob<string>("../src/i18n/**/*.json", { query: "url", eager: true, import: "default" });
+const files = Object.keys(urls).map((file) => fileURLToPath(new URL(file, import.meta.url)));
+
+for (const file of files) {
   const translations = JSON.parse(await fs.readFile(file, "utf-8"));
   const sortedTranslations = Object.fromEntries(
     Object.entries(translations).toSorted((a, b) => {
diff --git a/src/YoutubePlayer/adapter.ts b/src/YoutubePlayer/adapter.ts
new file mode 100644
index 0000000..69a5a27
--- /dev/null
+++ b/src/YoutubePlayer/adapter.ts
@@ -0,0 +1,48 @@
+import { youtubeEnabled } from "$core/store/youtube.ts";
+
+export interface YoutubeAdapter {
+  loadVideoById(videoId: string, startSeconds?: number, endSeconds?: number): Promise<void>;
+  playVideo(): Promise<void>;
+  stopVideo(): Promise<void>;
+  setSize(width: number, height: number): Promise<object>;
+  waitForStop(): Promise<void>;
+  getCurrentTime(): Promise<number>;
+  destroy(): Promise<void>;
+}
+
+export async function loadYoutubeAdapter(container: HTMLDivElement): Promise<YoutubeAdapter> {
+  if (!youtubeEnabled.get()) {
+    throw new Error("No youtube consent was given.");
+  }
+  const { default: Player } = await import("youtube-player");
+  const player = Player(container, {
+    host: "https://www.youtube-nocookie.com",
+    playerVars: {
+      rel: 0,
+      autoplay: 0,
+      modestbranding: 1,
+      controls: 1,
+    },
+  });
+
+  return {
+    playVideo: player.playVideo,
+    loadVideoById(videoId, startSeconds, endSeconds) {
+      return player.loadVideoById({ videoId, startSeconds, endSeconds });
+    },
+    stopVideo: player.stopVideo,
+    setSize: player.setSize,
+    waitForStop() {
+      return new Promise<void>((resolve) => {
+        player.on("stateChange", (event) => {
+          if (event.data === 0) {
+            // Video has ended
+            resolve();
+          }
+        });
+      });
+    },
+    getCurrentTime: player.getCurrentTime,
+    destroy: player.destroy,
+  };
+}
diff --git a/src/YoutubePlayer/index.ts b/src/YoutubePlayer/index.ts
index 128f622..22697a0 100644
--- a/src/YoutubePlayer/index.ts
+++ b/src/YoutubePlayer/index.ts
@@ -1,6 +1,7 @@
 import type { YoutubeLink } from "$core/model";
 import { renderPlayerContainer } from "@/YoutubePlayer/PlayerContainer.tsx";
 import { youtubeEnabled } from "$core/store/youtube.ts";
+import { loadYoutubeAdapter } from "@/YoutubePlayer/adapter.ts";
 
 export interface YoutubePlayer {
   loadVideo(videoId: string): Promise<void>;
@@ -32,15 +33,7 @@ youtubeEnabled.subscribe((value) => {
 
 async function createPlayer(): Promise<YoutubePlayer> {
   const container = await renderPlayerContainer();
-  const { default: Player } = await import("youtube-player");
-  const player = Player(container.htmlElement, {
-    host: "https://www.youtube-nocookie.com",
-    playerVars: {
-      rel: 0,
-      autoplay: 0,
-      modestbranding: 1,
-    },
-  });
+  const player = await loadYoutubeAdapter(container.htmlElement);
 
   function updatePlayerSize() {
     player?.setSize(window.innerWidth, window.innerHeight);
@@ -51,7 +44,7 @@ async function createPlayer(): Promise<YoutubePlayer> {
 
   const result = {
     loadVideo(videoId: string) {
-      return player.loadVideoById({ videoId });
+      return player.loadVideoById(videoId);
     },
     async play() {
       await player.playVideo();
@@ -62,14 +55,7 @@ async function createPlayer(): Promise<YoutubePlayer> {
       container.setVisible(false);
     },
     async waitForStop() {
-      return new Promise<void>((resolve) => {
-        player.on("stateChange", (event) => {
-          if (event.data === 0) {
-            // Video has ended
-            resolve();
-          }
-        });
-      });
+      await player.waitForStop();
     },
   };
   container.addEventListener("stop", () => {
diff --git a/src/components/solid/organisms/Reader/Reader.tsx b/src/components/solid/organisms/Reader/Reader.tsx
index a1fd771..e2ecc82 100644
--- a/src/components/solid/organisms/Reader/Reader.tsx
+++ b/src/components/solid/organisms/Reader/Reader.tsx
@@ -14,6 +14,7 @@ import { type DelayControl, DelayIndicator } from "@/components/solid/atoms/Dela
 import { youtubeEnabled } from "$core/store/youtube.ts";
 import { usePersistentStore } from "@/components/solid/hooks/usePersistentStore.ts";
 import { YoutubePlayButton } from "@/components/solid/atoms/YoutubePlayButton.tsx";
+import { coerceToArray } from "$core/utils/coerceToArray.ts";
 
 export const Reader: Component<{ dojoInfo: DojoInfo; speechPack: SpeechPack }> = (props) => {
   const techniqueStore = createTechniqueStore(props.dojoInfo.id);
@@ -56,7 +57,7 @@ export const Reader: Component<{ dojoInfo: DojoInfo; speechPack: SpeechPack }> =
           ready={playerLoaded()}
           onClickAutoPlay={() => setAutoPlay(!autoPlay())}
           autoPlayEnabled={autoPlay()}
-          youtube={youtubeLinks(lastTechnique()?.metadata?.youtube)}
+          youtube={coerceToArray(lastTechnique()?.metadata?.youtube)}
         />
         <DelayIndicator setDelayControl={setDelayControl} disabled={!autoPlay()} />
         <ExamScroll
@@ -142,8 +143,3 @@ const Player: Component<{
     </>
   );
 };
-
-function youtubeLinks(links: YoutubeLink[] | YoutubeLink | undefined): YoutubeLink[] {
-  if (Array.isArray(links)) return links;
-  return links ? [links] : [];
-}
diff --git a/src/components/solid/organisms/VideoPackEditor/VideoPackEditor.tsx b/src/components/solid/organisms/VideoPackEditor/VideoPackEditor.tsx
new file mode 100644
index 0000000..04a1dc0
--- /dev/null
+++ b/src/components/solid/organisms/VideoPackEditor/VideoPackEditor.tsx
@@ -0,0 +1,228 @@
+import { type Component, createEffect, createSignal, onCleanup } from "solid-js";
+import type { VideoPack } from "$core/model/VideoPack.ts";
+import type { BaseTechnique, TechniqueTree, YoutubeLink } from "$core/model";
+import { resolveTechniqueTrees } from "$core/resolveExamTables/resolveExamTables.ts";
+import { loadYoutubeAdapter, type YoutubeAdapter } from "@/YoutubePlayer/adapter.ts";
+import { cls } from "$core/utils/cls.ts";
+import { SimpleButton } from "@/components/solid/atoms/SimpleButton.tsx";
+import { buildTechniqueTree } from "$core/buildExamTable/buildExamTable.ts";
+
+interface TechniqueVideo extends BaseTechnique {
+  video: YoutubeLink;
+}
+
+export const VideoPackEditor: Component<{
+  videoPack: VideoPack;
+}> = (props) => {
+  const [selectedVideo, setSelectedVideo] = createSignal<TechniqueVideo | null>(null);
+  const [updatedVideos, setUpdatedVideos] = createSignal<Record<string, TechniqueVideo>>(
+    JSON.parse(localStorage.getItem(`videoPack-${props.videoPack.name}`) ?? "{}"),
+  );
+
+  createEffect(() => {
+    localStorage.setItem(`videoPack-${props.videoPack.name}`, JSON.stringify(updatedVideos()));
+  });
+
+  const resolvedVideos: TechniqueVideo[] = resolveTechniqueTrees([props.videoPack.videos], (technique, videos) => ({
+    ...technique,
+    videos,
+  })).flatMap(({ videos, ...baseTechnique }) => videos.map((video) => ({ ...baseTechnique, video })));
+
+  function updateVideo(video: TechniqueVideo) {
+    setUpdatedVideos((prev) => ({ ...prev, [video.video.id!]: video }));
+  }
+
+  function selectVideo(video: TechniqueVideo) {
+    setSelectedVideo(updatedVideos()[video.video.id!] ?? video);
+  }
+
+  async function copyToClipboard() {
+    const withUpdatedTechniques = resolvedVideos.map(
+      (techniqueVideo) => updatedVideos()[techniqueVideo.video.id!] ?? techniqueVideo,
+    );
+
+    const tree: TechniqueTree<YoutubeLink[]> = buildTechniqueTree<TechniqueVideo, YoutubeLink[]>(
+      withUpdatedTechniques,
+      (technique, existingVideos) => (existingVideos ? [...existingVideos, technique.video] : [technique.video]),
+    );
+
+    const videoPack: VideoPack = {
+      ...props.videoPack,
+      videos: tree,
+    };
+
+    await navigator.clipboard.writeText(JSON.stringify(videoPack, null, 2));
+    alert("Copied to clipboard");
+  }
+
+  return (
+    <div>
+      <h2>{props.videoPack.name}</h2>
+      <p>
+        <a target="_blank" href={props.videoPack.source}>
+          {props.videoPack.source}
+        </a>
+      </p>
+      <div class={"relative flex flex-col gap-2"}>
+        <div class={"overflow-y-scroll h-96"}>
+          <SimpleButton label={"Clear all"} onClick={() => setUpdatedVideos({})} />
+          <SimpleButton label={"Export"} onClick={copyToClipboard} />
+          <table>
+            <thead>
+              <tr>
+                <th>Execution</th>
+                <th>Attack</th>
+                <th>Defence</th>
+                <th>Direction</th>
+                <th>Video</th>
+                <th>dirty</th>
+              </tr>
+            </thead>
+            <tbody>
+              {resolvedVideos.map((techniqueVideo, index) => (
+                <tr
+                  class={cls(
+                    selectedVideo()?.video.id === techniqueVideo.video.id
+                      ? "bg-primary-light"
+                      : index % 2 === 0 && "bg-secondary-lightest",
+                    "cursor-pointer",
+                  )}
+                  onClick={() => selectVideo(updatedVideos()[techniqueVideo.video.id!] ?? techniqueVideo)}
+                >
+                  <td class={"p-2"}>{techniqueVideo.execution}</td>
+                  <td class={"p-2"}>{techniqueVideo.attack}</td>
+                  <td class={"p-2"}>{techniqueVideo.defence}</td>
+                  <td class={"p-2"}>{techniqueVideo.direction}</td>
+                  <td class={"p-2"}>{techniqueVideo.video.title}</td>
+                  <td class={"p-2"}>{updatedVideos()[techniqueVideo.video.id!] != null ? "x" : ""}</td>
+                </tr>
+              ))}
+            </tbody>
+          </table>
+        </div>
+        <div>{selectedVideo() && <VideoEditor video={selectedVideo()!} onChange={updateVideo} />}</div>
+      </div>
+    </div>
+  );
+};
+
+const VideoEditor: Component<{ video: TechniqueVideo; onChange: (video: TechniqueVideo) => void }> = (props) => {
+  const [start, setStart] = createSignal(0);
+  const [end, setEnd] = createSignal(props.video.video.durationSeconds);
+
+  let player: YoutubeAdapter | null = null;
+  let resizeObserver: ResizeObserver | null = null;
+
+  async function setPlayerElement(element: HTMLDivElement) {
+    const playerElement = document.createElement("div");
+    element.append(playerElement);
+    player = await loadYoutubeAdapter(playerElement);
+    resizeObserver = new ResizeObserver(() => {
+      player?.setSize(element.clientWidth, element.clientHeight);
+    });
+    resizeObserver.observe(element);
+    await player?.loadVideoById(props.video.video.videoId, start(), end());
+    await player?.playVideo();
+  }
+
+  createEffect(() => {
+    setStart(props.video.video.startSeconds ?? 0);
+    setEnd(props.video.video.endSeconds ?? props.video.video.durationSeconds);
+  });
+
+  async function updateVideo() {
+    await player?.loadVideoById(props.video.video.videoId, start(), end());
+    await player?.playVideo();
+
+    props.onChange({
+      ...props.video,
+      video: {
+        ...props.video.video,
+        startSeconds: start(),
+        endSeconds: end(),
+      },
+    });
+  }
+
+  onCleanup(() => {
+    player?.destroy();
+    resizeObserver?.disconnect();
+  });
+
+  useKeyboard("KeyS", async () => {
+    if (player) {
+      setStart(await player.getCurrentTime());
+    }
+  });
+  useKeyboard("KeyE", async () => {
+    if (player) {
+      setEnd(await player.getCurrentTime());
+    }
+  });
+
+  createEffect(() => {
+    triggerChangeFor(props.video.video);
+    const video = props.video.video;
+    player?.loadVideoById(video.videoId, video.startSeconds, video.endSeconds);
+  });
+
+  function updateStart(event: Event) {
+    setStart(Number((event.target as HTMLInputElement).value));
+    updateVideo();
+  }
+  function updateEnd(event: Event) {
+    setEnd(Number((event.target as HTMLInputElement).value));
+    updateVideo();
+  }
+
+  return (
+    <div class={"border p-2 gap-2 flex flex-col"}>
+      <div class={"grid gap-2 grid-cols-3 items-center"}>
+        <label>ID:</label>
+        <div class={"col-span-2"}>{props.video.video.videoId}</div>
+        <label>Name:</label>
+        <div class={"col-span-2"}>{props.video.video.title}</div>
+
+        <label>Start (Press "S" to use current time):</label>
+        <input
+          class={"w-16 border p-2"}
+          type="text"
+          min="0"
+          max={props.video.video.durationSeconds}
+          value={start()}
+          onInput={updateStart}
+        />
+        <input type="range" min="0" max={props.video.video.durationSeconds} value={start()} onInput={updateStart} />
+
+        <label>End (Press "E" to use current time):</label>
+        <input
+          class={"w-16 border p-2"}
+          type="text"
+          min="0"
+          max={props.video.video.durationSeconds}
+          value={end()}
+          onInput={updateEnd}
+        />
+        <input type="range" min="0" max={props.video?.video.durationSeconds} value={end()} onInput={updateEnd} />
+      </div>
+      <div class="flex-1" ref={setPlayerElement}></div>
+    </div>
+  );
+};
+
+function useKeyboard(code: string, callback: () => void) {
+  const listener = (event: KeyboardEvent) => {
+    if (event.code === code) {
+      callback();
+    }
+  };
+  window.addEventListener("keydown", listener);
+  onCleanup(() => window.removeEventListener("keydown", listener));
+}
+
+/**
+ * Do nothing. This function is just called to make use of a value so that solid-js reactivity is triggered
+ * @param ignoredValue
+ */
+// eslint-disable-next-line @typescript-eslint/no-unused-vars
+function triggerChangeFor(value: unknown) {}
diff --git a/src/components/solid/organisms/VideoPackEditor/index.ts b/src/components/solid/organisms/VideoPackEditor/index.ts
new file mode 100644
index 0000000..9e941e6
--- /dev/null
+++ b/src/components/solid/organisms/VideoPackEditor/index.ts
@@ -0,0 +1 @@
+export { VideoPackEditor } from "./VideoPackEditor";
diff --git a/src/core/buildExamTable/buildExamTable.ts b/src/core/buildExamTable/buildExamTable.ts
index 01fba30..1c12423 100644
--- a/src/core/buildExamTable/buildExamTable.ts
+++ b/src/core/buildExamTable/buildExamTable.ts
@@ -1,18 +1,30 @@
-import type { Attacks, Defences, Directions, Table, Technique } from "$core/model";
+import type { BaseTechnique, Table, Technique, TechniqueTree } from "$core/model";
+import type { Attacks, Defences, Directions } from "$core/model/TechniqueTree.ts";
 
 export function buildExamTable(list: Iterable<Technique>): Table {
-  const examTable: Table = {};
+  return buildTechniqueTree(list, (technique) => technique.metadata);
+}
+
+export function buildTechniqueTree<T extends BaseTechnique, M>(
+  list: Iterable<T>,
+  mapFn: (technique: T, existingTechnique?: M) => M,
+): TechniqueTree<M> {
+  const tree: TechniqueTree<M> = {};
   for (const technique of list) {
-    addTechniqueToTable(examTable, technique);
+    addTechniqueToTable(tree, technique, mapFn);
   }
-  return examTable;
+  return tree;
 }
 
-function addTechniqueToTable(examTable: Table, technique: Technique): void {
-  const execution: Attacks = getOrCreate(examTable, technique.execution, createObject);
-  const attack: Defences = getOrCreate(execution, technique.attack, createObject);
-  const defence: Directions = getOrCreate(attack, technique.defence, createObject);
-  defence[technique.direction] = technique.metadata;
+function addTechniqueToTable<T extends BaseTechnique, M>(
+  examTable: TechniqueTree<M>,
+  technique: T,
+  mapFn: (technique: T, existingTechnique?: M) => M,
+): void {
+  const execution: Attacks<M> = getOrCreate(examTable, technique.execution, createObject);
+  const attack: Defences<M> = getOrCreate(execution, technique.attack, createObject);
+  const defence: Directions<M> = getOrCreate(attack, technique.defence, createObject);
+  defence[technique.direction] = mapFn(technique, defence[technique.direction]);
 }
 
 function getOrCreate<K extends string, V>(object: Partial<Record<K, V>>, key: K, createNew: () => V): V {
diff --git a/src/core/model/Exam.ts b/src/core/model/Exam.ts
index 54c9d6d..b53658b 100644
--- a/src/core/model/Exam.ts
+++ b/src/core/model/Exam.ts
@@ -1,14 +1,8 @@
-import type { Direction } from "./Direction";
 import type { TechniqueMetadata } from "./TechniqueMetadata";
-import type { Defence } from "./Defence";
-import type { Attack } from "./Attack";
-import type { Execution } from "./Execution";
 import type { TranslatedText } from "$core/model/Dojo.ts";
+import type { TechniqueTree } from "$core/model/TechniqueTree.ts";
 
-export type Directions = Partial<Record<Direction, TechniqueMetadata>>;
-export type Defences = Partial<Record<Defence, Directions>>;
-export type Attacks = Partial<Record<Attack, Defences>>;
-export type Table = Partial<Record<Execution, Attacks>>;
+export type Table = TechniqueTree<TechniqueMetadata>;
 export type WellKnownExam = "kyu5" | "kyu4" | "kyu3" | "kyu2" | "kyu1" | "dan1" | "dan2" | "dan3" | "dan4";
 export type ExamLabel =
   | {
diff --git a/src/core/model/TechniqueMetadata.ts b/src/core/model/TechniqueMetadata.ts
index c1cbca6..aa60a93 100644
--- a/src/core/model/TechniqueMetadata.ts
+++ b/src/core/model/TechniqueMetadata.ts
@@ -2,7 +2,10 @@ export interface TechniqueMetadata {
   youtube?: YoutubeLink | YoutubeLink[];
 }
 export interface YoutubeLink {
+  id?: string;
   videoId: string;
+  startSeconds?: number;
+  endSeconds?: number;
   durationSeconds: number;
   title: string;
 }
diff --git a/src/core/model/TechniqueTree.ts b/src/core/model/TechniqueTree.ts
new file mode 100644
index 0000000..e8a7ac3
--- /dev/null
+++ b/src/core/model/TechniqueTree.ts
@@ -0,0 +1,9 @@
+import type { Direction } from "$core/model/Direction.ts";
+import type { Defence } from "$core/model/Defence.ts";
+import type { Attack } from "$core/model/Attack.ts";
+import type { Execution } from "$core/model/Execution.ts";
+
+export type Directions<T> = Partial<Record<Direction, T>>;
+export type Defences<T> = Partial<Record<Defence, Directions<T>>>;
+export type Attacks<T> = Partial<Record<Attack, Defences<T>>>;
+export type TechniqueTree<T> = Partial<Record<Execution, Attacks<T>>>;
diff --git a/src/core/model/VideoPack.ts b/src/core/model/VideoPack.ts
new file mode 100644
index 0000000..d5711e4
--- /dev/null
+++ b/src/core/model/VideoPack.ts
@@ -0,0 +1,8 @@
+import type { TechniqueTree } from "$core/model/TechniqueTree.ts";
+import type { YoutubeLink } from "$core/model/TechniqueMetadata.ts";
+
+export interface VideoPack {
+  name: string;
+  source: string;
+  videos: TechniqueTree<YoutubeLink[]>;
+}
diff --git a/src/core/model/index.ts b/src/core/model/index.ts
index 1fe408e..b45d1bd 100644
--- a/src/core/model/index.ts
+++ b/src/core/model/index.ts
@@ -6,3 +6,4 @@ export * from "./TechniqueMetadata";
 export * from "./Technique";
 export * from "./Exam";
 export * from "./SpeechPack";
+export * from "./TechniqueTree";
diff --git a/src/core/resolveExamTables/resolveExamTables.ts b/src/core/resolveExamTables/resolveExamTables.ts
index 46107e6..f43c0a0 100644
--- a/src/core/resolveExamTables/resolveExamTables.ts
+++ b/src/core/resolveExamTables/resolveExamTables.ts
@@ -1,13 +1,23 @@
-import type { Technique, Exam } from "$core/model";
+import type { Technique, Exam, TechniqueTree, BaseTechnique } from "$core/model";
 
 export function resolveExamTables(examTables: Exam[]): Technique[] {
-  const result: Technique[] = [];
-  for (const exam of examTables) {
-    for (const [execution, attacks] of entries(exam.techniques)) {
+  return resolveTechniqueTrees(
+    examTables.map((exam) => exam.techniques),
+    (technique, metadata) => ({ ...technique, metadata }),
+  );
+}
+
+export function resolveTechniqueTrees<T extends BaseTechnique, M>(
+  trees: TechniqueTree<M>[],
+  mapFn: (technique: BaseTechnique, metadata: M) => T,
+): T[] {
+  const result: T[] = [];
+  for (const tree of trees) {
+    for (const [execution, attacks] of entries(tree)) {
       for (const [attack, defences] of entries(attacks)) {
         for (const [defence, directions] of entries(defences)) {
           for (const [direction, metadata] of entries(directions)) {
-            result.push({ execution, attack, defence, direction, metadata });
+            result.push(mapFn({ execution, attack, defence, direction }, metadata));
           }
         }
       }
diff --git a/src/core/utils/coerceToArray.test.ts b/src/core/utils/coerceToArray.test.ts
new file mode 100644
index 0000000..1261bd1
--- /dev/null
+++ b/src/core/utils/coerceToArray.test.ts
@@ -0,0 +1,16 @@
+import { coerceToArray } from "$core/utils/coerceToArray.ts";
+
+describe("coerceToArray", () => {
+  it("returns empty array for null", () => {
+    expect(coerceToArray(null)).toEqual([]);
+    expect(coerceToArray(undefined)).toEqual([]);
+  });
+
+  it("returns single element array for single element", () => {
+    expect(coerceToArray(2)).toEqual([2]);
+  });
+  it("returns the array for an array", () => {
+    expect(coerceToArray([2])).toEqual([2]);
+    expect(coerceToArray([2, 3])).toEqual([2, 3]);
+  });
+});
diff --git a/src/core/utils/coerceToArray.ts b/src/core/utils/coerceToArray.ts
new file mode 100644
index 0000000..357f3a2
--- /dev/null
+++ b/src/core/utils/coerceToArray.ts
@@ -0,0 +1,9 @@
+export function coerceToArray<T>(input: T | T[] | undefined | null): T[] {
+  if (input == null) {
+    return [];
+  }
+  if (Array.isArray(input)) {
+    return input;
+  }
+  return [input];
+}
diff --git a/src/data/videopacks/aikido-kompendium/index.ts b/src/data/videopacks/aikido-kompendium/index.ts
new file mode 100644
index 0000000..1094d7a
--- /dev/null
+++ b/src/data/videopacks/aikido-kompendium/index.ts
@@ -0,0 +1,2572 @@
+import type { VideoPack } from "$core/model/VideoPack";
+
+export default {
+  name: "Aikido Kompendium",
+  source: "https://www.aikido-kompendium.de",
+  videos: {
+    "suwari waza": {
+      "ryote dori": {
+        "kokyu ho": {
+          "single-direction": [
+            {
+              title: "suwari waza ryote dori kokyu ho",
+              videoId: "3yd1kGHIviA",
+              durationSeconds: 20,
+              id: "0",
+              startSeconds: 0,
+              endSeconds: 20,
+            },
+          ],
+        },
+      },
+      "ai hanmi katate dori": {
+        ikkyo: {
+          omote: [
+            {
+              title: "suwari waza ai hanmi katate dori ikkyo omote",
+              videoId: "HZOkvZDAh34",
+              durationSeconds: 27,
+              id: "13",
+              startSeconds: 0,
+              endSeconds: 27,
+            },
+          ],
+          ura: [
+            {
+              title: "suwari waza ai hanmi katate dori ikkyo ura",
+              videoId: "QUNg_jthIqM",
+              durationSeconds: 21,
+              id: "14",
+            },
+          ],
+        },
+        "irimi nage": {
+          "single-direction": [
+            {
+              title: "suwari waza ai hanmi katate dori irimi nage",
+              videoId: "dHhOLufvx3U",
+              durationSeconds: 24,
+              id: "15",
+            },
+          ],
+        },
+      },
+      "shomen uchi": {
+        ikkyo: {
+          omote: [
+            {
+              title: "suwari waza shomen uchi ikkyo omote",
+              videoId: "ODF1mKYFT50",
+              durationSeconds: 21,
+              id: "16",
+            },
+          ],
+          ura: [
+            {
+              title: "suwari waza shomen uchi ikkyo ura",
+              videoId: "dm7lj0RaEzw",
+              durationSeconds: 19,
+              id: "17",
+            },
+          ],
+        },
+        "irimi nage": {
+          "single-direction": [
+            {
+              title: "suwari waza shomen uchi irimi nage",
+              videoId: "ZrvHAhQXyyE",
+              durationSeconds: 22,
+              id: "18",
+            },
+          ],
+        },
+        nikyo: {
+          omote: [
+            {
+              title: "suwari waza shomen uchi nikyo omote",
+              videoId: "meNnP_iyjSY",
+              durationSeconds: 30,
+              id: "59",
+            },
+          ],
+          ura: [
+            {
+              title: "suwari waza shomen uchi nikyo ura",
+              videoId: "2gWlA-rMtic",
+              durationSeconds: 31,
+              id: "60",
+            },
+          ],
+        },
+        sankyo: {
+          omote: [
+            {
+              title: "suwari waza shomen uchi sankyo omote",
+              videoId: "OaKRmnjJdK8",
+              durationSeconds: 29,
+              id: "61",
+            },
+          ],
+          ura: [
+            {
+              title: "suwari waza shomen uchi sankyo ura",
+              videoId: "f3gHuS8Bp3A",
+              durationSeconds: 29,
+              id: "62",
+            },
+          ],
+        },
+        yonkyo: {
+          omote: [
+            {
+              title: "suwari waza shomen uchi yonkyo omote",
+              videoId: "X-fctXW0Lmg",
+              durationSeconds: 21,
+              id: "63",
+            },
+          ],
+          ura: [
+            {
+              title: "suwari waza shomen uchi yonkyo ura",
+              videoId: "a-jasPR2So0",
+              durationSeconds: 26,
+              id: "64",
+            },
+          ],
+        },
+        "kote gaeshi": {
+          "single-direction": [
+            {
+              title: "suwari waza shomen uchi kote gaeshi",
+              videoId: "9HNkdOJmT3k",
+              durationSeconds: 28,
+              id: "65",
+            },
+          ],
+        },
+        gokyo: {
+          "single-direction": [
+            {
+              title: "suwari waza shomen uchi gokyo",
+              videoId: "t9aPIPxxdzs",
+              durationSeconds: 22,
+              id: "227",
+            },
+          ],
+        },
+      },
+      "gyuako hanmi katate dori": {
+        ikkyo: {
+          omote: [
+            {
+              title: "suwari waza katate dori ikkyo omote",
+              videoId: "i3bgZsdTmyQ",
+              durationSeconds: 24,
+              id: "51",
+            },
+          ],
+          ura: [
+            {
+              title: "suwari waza katate dori ikkyo ura",
+              videoId: "dQF5oxxDD30",
+              durationSeconds: 24,
+              id: "52",
+            },
+          ],
+        },
+        nikyo: {
+          omote: [
+            {
+              title: "suwari waza katate dori nikyo omote",
+              videoId: "ypXXzb2YHFY",
+              durationSeconds: 29,
+              id: "53",
+            },
+          ],
+          ura: [
+            {
+              title: "suwari waza katate dori nikyo ura",
+              videoId: "6JBCfxORKJQ",
+              durationSeconds: 29,
+              id: "54",
+            },
+          ],
+        },
+        sankyo: {
+          omote: [
+            {
+              title: "suwari waza katate dori sankyo omote",
+              videoId: "B5fVD3L47zg",
+              durationSeconds: 25,
+              id: "150",
+            },
+          ],
+          ura: [
+            {
+              title: "suwari waza katate dori sankyo ura",
+              videoId: "sunQhz4qybw",
+              durationSeconds: 24,
+              id: "151",
+            },
+          ],
+        },
+        yonkyo: {
+          omote: [
+            {
+              title: "suwari waza katate dori yonkyo omote",
+              videoId: "Y8Qym8RlPOw",
+              durationSeconds: 20,
+              id: "152",
+            },
+          ],
+          ura: [
+            {
+              title: "suwari waza katate dori yonkyo ura",
+              videoId: "cf9NaXqF_Ck",
+              durationSeconds: 24,
+              id: "153",
+            },
+          ],
+        },
+        "irimi nage": {
+          "single-direction": [
+            {
+              title: "suwari waza katate dori irimi nage",
+              videoId: "MQgDSlsfNlQ",
+              durationSeconds: 35,
+              id: "154",
+            },
+          ],
+        },
+        "kote gaeshi": {
+          "single-direction": [
+            {
+              title: "suwari waza katate dori kote gaeshi",
+              videoId: "9siBUjYwsp4",
+              durationSeconds: 37,
+              id: "155",
+            },
+          ],
+        },
+      },
+      "kata dori": {
+        ikkyo: {
+          omote: [
+            {
+              title: "suwari waza kata dori ikkyo omote",
+              videoId: "N7L2BI0PYeE",
+              durationSeconds: 24,
+              id: "55",
+            },
+          ],
+          ura: [
+            {
+              title: "suwari waza kata dori ikkyo ura",
+              videoId: "_Ap_QOoTlzY",
+              durationSeconds: 23,
+              id: "56",
+            },
+          ],
+        },
+        nikyo: {
+          omote: [
+            {
+              title: "suwari waza kata dori nikyo omote",
+              videoId: "dMAiRF88oDc",
+              durationSeconds: 24,
+              id: "57",
+            },
+          ],
+          ura: [
+            {
+              title: "suwari waza kata dori nikyo ura",
+              videoId: "ZJPiqlLLVv4",
+              durationSeconds: 25,
+              id: "58",
+            },
+          ],
+        },
+        sankyo: {
+          omote: [
+            {
+              title: "suwari waza kata dori sankyo omote",
+              videoId: "TgWrIrGSLYY",
+              durationSeconds: 24,
+              id: "146",
+            },
+          ],
+          ura: [
+            {
+              title: "suwari waza kata dori sankyo ura",
+              videoId: "NbjiWpogzv0",
+              durationSeconds: 29,
+              id: "147",
+            },
+          ],
+        },
+        yonkyo: {
+          omote: [
+            {
+              title: "suwari waza kata dori yonkyo omote",
+              videoId: "OszzoCfX0ng",
+              durationSeconds: 22,
+              id: "148",
+            },
+          ],
+          ura: [
+            {
+              title: "suwari waza kata dori yonkyo ura",
+              videoId: "ivozMrI_jYo",
+              durationSeconds: 24,
+              id: "149",
+            },
+          ],
+        },
+      },
+      "yokomen uchi": {
+        ikkyo: {
+          omote: [
+            {
+              title: "suwari waza yokomen uchi ikkyo omote",
+              videoId: "5YhNgMI8Do4",
+              durationSeconds: 20,
+              id: "135",
+            },
+          ],
+          ura: [
+            {
+              title: "suwari waza yokomen uchi ikkyo ura",
+              videoId: "ObooPb_TJ7A",
+              durationSeconds: 15,
+              id: "136",
+            },
+          ],
+        },
+        nikyo: {
+          omote: [
+            {
+              title: "suwari waza yokomen uchi nikyo omote",
+              videoId: "mxc-WO3P_m0",
+              durationSeconds: 35,
+              id: "137",
+            },
+          ],
+          ura: [
+            {
+              title: "suwari waza yokomen uchi nikyo ura",
+              videoId: "oycJt1PITbU",
+              durationSeconds: 40,
+              id: "138",
+            },
+          ],
+        },
+        sankyo: {
+          omote: [
+            {
+              title: "suwari waza yokomen uchi sankyo omote",
+              videoId: "YymMQHtHFkY",
+              durationSeconds: 25,
+              id: "139",
+            },
+          ],
+          ura: [
+            {
+              title: "suwari waza yokomen uchi sankyo ura",
+              videoId: "x9b8XoN-bso",
+              durationSeconds: 26,
+              id: "140",
+            },
+          ],
+        },
+        yonkyo: {
+          omote: [
+            {
+              title: "suwari waza yokomen uchi yonkyo omote",
+              videoId: "DrTysa9KovM",
+              durationSeconds: 19,
+              id: "141",
+            },
+          ],
+          ura: [
+            {
+              title: "suwari waza yokomen uchi yonkyo ura",
+              videoId: "jiE7oNKTsaw",
+              durationSeconds: 21,
+              id: "142",
+            },
+          ],
+        },
+        gokyo: {
+          "single-direction": [
+            {
+              title: "suwari waza yokomen uchi gokyo",
+              videoId: "0csSSYQdfyY",
+              durationSeconds: 17,
+              id: "143",
+            },
+          ],
+        },
+        "irimi nage": {
+          "single-direction": [
+            {
+              title: "suwari waza yokomen uchi irimi nage 1",
+              videoId: "vHmvCinsSkE",
+              durationSeconds: 18,
+              id: "144",
+            },
+            {
+              title: "suwari waza yokomen uchi irimi nage 2",
+              videoId: "PweCVZFwDLE",
+              durationSeconds: 8,
+              id: "145",
+            },
+          ],
+        },
+        "kote gaeshi": {
+          "single-direction": [
+            {
+              title: "suwari waza yokomen uchi kote gaeshi",
+              videoId: "dfGpSzw4vYA",
+              durationSeconds: 27,
+              id: "226",
+            },
+          ],
+        },
+      },
+    },
+    "tachi waza": {
+      "ai hanmi katate dori": {
+        ikkyo: {
+          omote: [
+            {
+              title: "tachi waza ai hanmi katate dori ikkyo omote",
+              videoId: "WG3FmJtdIf4",
+              durationSeconds: 23,
+              id: "1",
+            },
+          ],
+          ura: [
+            {
+              title: "tachi waza ai hanmi katate dori ikkyo ura",
+              videoId: "CZ3vw6kbArk",
+              durationSeconds: 24,
+              id: "2",
+            },
+          ],
+        },
+        "shiho nage": {
+          omote: [
+            {
+              title: "tachi waza ai hanmi katate dori shiho nage omote",
+              videoId: "mjRlD996OgU",
+              durationSeconds: 22,
+              id: "3",
+            },
+          ],
+          ura: [
+            {
+              title: "tachi waza ai hanmi katate dori shiho nage ura",
+              videoId: "C5oqSt5syB8",
+              durationSeconds: 19,
+              id: "4",
+            },
+          ],
+        },
+        "irimi nage": {
+          "single-direction": [
+            {
+              title: "tachi waza ai hanmi katate dori irimi nage",
+              videoId: "gxDKLqY0n2s",
+              durationSeconds: 23,
+              id: "5",
+            },
+          ],
+        },
+        nikyo: {
+          omote: [
+            {
+              title: "tachi waza ai hanmi katate dori nikyo omote",
+              videoId: "DZnD628Vgqw",
+              durationSeconds: 29,
+              id: "34",
+            },
+          ],
+          ura: [
+            {
+              title: "tachi waza ai hanmi katate dori nikyo ura",
+              videoId: "lrxsIu4YL0c",
+              durationSeconds: 28,
+              id: "35",
+            },
+          ],
+        },
+        "uchi kaiten sankyo": {
+          "single-direction": [
+            {
+              title: "tachi waza ai hanmi katate dori sankyo uchi kaiten",
+              videoId: "9HGq0mh1sWY",
+              durationSeconds: 28,
+              id: "36",
+            },
+          ],
+        },
+        "kote gaeshi": {
+          "single-direction": [
+            {
+              title: "tachi waza ai hanmi katate dori kote gaeshi",
+              videoId: "yfPIir-K8m8",
+              durationSeconds: 32,
+              id: "37",
+            },
+          ],
+        },
+        "ude kime nage": {
+          omote: [
+            {
+              title: "tachi waza ai hanmi katate dori ude kime nage omote",
+              videoId: "gNL_f141PHE",
+              durationSeconds: 16,
+              id: "38",
+            },
+          ],
+          ura: [
+            {
+              title: "tachi waza ai hanmi katate dori ude kime nage ura",
+              videoId: "dDYgS6YAYY8",
+              durationSeconds: 14,
+              id: "39",
+            },
+          ],
+        },
+        "kokyu nage": {
+          "single-direction": [
+            {
+              title: "tachi waza ai hanmi katate dori kokyu nage 01",
+              videoId: "z9UzvBgVjQ4",
+              durationSeconds: 15,
+              id: "124",
+            },
+            {
+              title: "tachi waza ai hanmi katate dori kokyu nage 02",
+              videoId: "U5q2eLL_Lqk",
+              durationSeconds: 15,
+              id: "125",
+            },
+            {
+              title: "tachi waza ai hanmi katate dori kokyu nage 03",
+              videoId: "1MTGKukD-EY",
+              durationSeconds: 16,
+              id: "126",
+            },
+            {
+              title: "tachi waza ai hanmi katate dori kokyu nage 04",
+              videoId: "QLnwGmHjZs8",
+              durationSeconds: 16,
+              id: "127",
+            },
+            {
+              title: "tachi waza ai hanmi katate dori kokyu nage 05",
+              videoId: "kDqr1JOLD6M",
+              durationSeconds: 19,
+              id: "128",
+            },
+          ],
+        },
+        "koshi nage": {
+          "single-direction": [
+            {
+              title: "tachi waza ai hanmi katate dori koshi nage 01",
+              videoId: "YSNs3Ek1540",
+              durationSeconds: 23,
+              id: "209",
+            },
+            {
+              title: "tachi waza ai hanmi katate dori koshi nage 02",
+              videoId: "wExBIpHy8xs",
+              durationSeconds: 25,
+              id: "210",
+            },
+          ],
+        },
+      },
+      "gyuako hanmi katate dori": {
+        "shiho nage": {
+          omote: [
+            {
+              title: "tachi waza katate dori shiho nage omote",
+              videoId: "-e3J0i0ejCc",
+              durationSeconds: 18,
+              id: "6",
+            },
+          ],
+          ura: [
+            {
+              title: "tachi waza katate dori shiho nage ura",
+              videoId: "0FHanKF2FYE",
+              durationSeconds: 19,
+              id: "7",
+            },
+          ],
+        },
+        "tenchi nage": {
+          omote: [
+            {
+              title: "tachi waza katate dori tenchi nage omote",
+              videoId: "bh-60q0X4K8",
+              durationSeconds: 18,
+              id: "8",
+            },
+          ],
+          ura: [
+            {
+              title: "tachi waza katate dori tenchi nage ura",
+              videoId: "YwJ0_gq0P7U",
+              durationSeconds: 19,
+              id: "9",
+            },
+          ],
+        },
+        ikkyo: {
+          omote: [
+            {
+              title: "tachi waza katate dori ikkyo omote",
+              videoId: "_4LIwYIWIn4",
+              durationSeconds: 27,
+              id: "19",
+            },
+          ],
+          ura: [
+            {
+              title: "tachi waza katate dori ikkyo ura",
+              videoId: "Hq3ni6cmXpo",
+              durationSeconds: 21,
+              id: "20",
+            },
+          ],
+        },
+        nikyo: {
+          omote: [
+            {
+              title: "tachi waza katate dori nikyo omote",
+              videoId: "tKR7WAtTDCI",
+              durationSeconds: 32,
+              id: "21",
+            },
+          ],
+          ura: [
+            {
+              title: "tachi waza katate dori nikyo ura",
+              videoId: "VXS6vrVAud4",
+              durationSeconds: 29,
+              id: "22",
+            },
+          ],
+        },
+        "kote gaeshi": {
+          "single-direction": [
+            {
+              title: "tachi waza katate dori kote gaeshi",
+              videoId: "5D8ovPKcGD0",
+              durationSeconds: 33,
+              id: "23",
+            },
+          ],
+        },
+        "irimi nage": {
+          "single-direction": [
+            {
+              title: "tachi waza katate dori irimi nage",
+              videoId: "gPTWMlzcHa0",
+              durationSeconds: 25,
+              id: "24",
+            },
+          ],
+        },
+        "uchi kaiten nage": {
+          omote: [
+            {
+              title: "tachi waza katate dori uchi kaiten nage omote",
+              videoId: "brheKOH6tBc",
+              durationSeconds: 22,
+              id: "25",
+            },
+          ],
+          ura: [
+            {
+              title: "tachi waza katate dori uchi kaiten nage ura",
+              videoId: "gACnFLUzVuY",
+              durationSeconds: 21,
+              id: "26",
+            },
+          ],
+        },
+        "ude kime nage": {
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+              durationSeconds: 17,
+              id: "27",
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+        },
+        "sokumen irimi nage": {
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+              videoId: "0duNhOK2-bU",
+              durationSeconds: 19,
+              id: "29",
+            },
+          ],
+        },
+        "kokyu nage": {
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+              videoId: "sIMCbchcTbA",
+              durationSeconds: 16,
+              id: "129",
+            },
+            {
+              title: "tachi waza katate dori kokyu nage 02",
+              videoId: "N3WOhF74QGI",
+              durationSeconds: 14,
+              id: "130",
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+            {
+              title: "tachi waza katate dori kokyu nage 03",
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+              durationSeconds: 16,
+              id: "131",
+            },
+            {
+              title: "tachi waza katate dori kokyu nage 04",
+              videoId: "OreDX3cRAIQ",
+              durationSeconds: 17,
+              id: "132",
+            },
+            {
+              title: "tachi waza katate dori kokyu nage 05",
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+              durationSeconds: 14,
+              id: "133",
+            },
+            {
+              title: "tachi waza katate dori kokyu nage 06",
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+              durationSeconds: 14,
+              id: "134",
+            },
+          ],
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+              id: "185",
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+              id: "186",
+            },
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+            },
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+        },
+        "sumi otoshi": {
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+              title: "tachi waza katate dori sumi otoshi",
+              videoId: "afl0lZj4brE",
+              durationSeconds: 17,
+              id: "189",
+            },
+          ],
+        },
+        "aiki otoshi": {
+          "single-direction": [
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+              title: "tachi waza katate dori aiki otoshi",
+              videoId: "XOAgW5nzAuY",
+              durationSeconds: 26,
+              id: "190",
+            },
+          ],
+        },
+        "koshi nage": {
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+              videoId: "4qObC2e94_4",
+              durationSeconds: 24,
+              id: "191",
+            },
+            {
+              title: "tachi waza katate dori koshi nage 02",
+              videoId: "R4pYyYJE47c",
+              durationSeconds: 21,
+              id: "192",
+            },
+            {
+              title: "tachi waza katate dori koshi nage 03",
+              videoId: "l49Z6VxUhSY",
+              durationSeconds: 24,
+              id: "193",
+            },
+          ],
+        },
+      },
+      "shomen uchi": {
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+          omote: [
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+              title: "tachi waza shomen uchi ikkyo omote",
+              videoId: "uPmyiNCoB9I",
+              durationSeconds: 24,
+              id: "10",
+            },
+          ],
+          ura: [
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+              durationSeconds: 21,
+              id: "11",
+            },
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+        },
+        "irimi nage": {
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+              title: "tachi waza shomen uchi irimi nage",
+              videoId: "SaMqbWh--Aw",
+              durationSeconds: 20,
+              id: "12",
+            },
+          ],
+        },
+        "kote gaeshi": {
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+              title: "tachi waza shomen uchi kote gaeshi",
+              videoId: "we19G722ClQ",
+              durationSeconds: 30,
+              id: "40",
+            },
+          ],
+        },
+        nikyo: {
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+              title: "tachi waza shomen uchi nikyo omote",
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+              durationSeconds: 29,
+              id: "118",
+            },
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+          ura: [
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+              title: "tachi waza shomen uchi nikyo ura",
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+              durationSeconds: 32,
+              id: "119",
+            },
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+        sankyo: {
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+              durationSeconds: 41,
+              id: "120",
+            },
+          ],
+          ura: [
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+              durationSeconds: 31,
+              id: "121",
+            },
+          ],
+        },
+        yonkyo: {
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+              title: "tachi waza shomen uchi yonkyo omote",
+              videoId: "J_Rb7w6K4cY",
+              durationSeconds: 25,
+              id: "122",
+            },
+          ],
+          ura: [
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+              durationSeconds: 27,
+              id: "123",
+            },
+          ],
+        },
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+              title: "tachi waza shomen uchi shiho nage omote",
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+              durationSeconds: 22,
+              id: "194",
+            },
+          ],
+        },
+        "soto kaiten nage": {
+          omote: [
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+              videoId: "ja8BX5WYgwI",
+              durationSeconds: 19,
+              id: "195",
+            },
+          ],
+          ura: [
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+              durationSeconds: 19,
+              id: "196",
+            },
+          ],
+        },
+        "uchi kaiten nage": {
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+              videoId: "vpAEiet-Qjg",
+              durationSeconds: 24,
+              id: "197",
+            },
+          ],
+          ura: [
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+              durationSeconds: 26,
+              id: "198",
+            },
+          ],
+        },
+        "kokyu nage": {
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+              videoId: "7hn7YTuOUM0",
+              durationSeconds: 19,
+              id: "199",
+            },
+            {
+              title: "tachi waza shomen uchi kokyu nage 02",
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+              durationSeconds: 18,
+              id: "200",
+            },
+            {
+              title: "tachi waza shomen uchi kokyu nage 03",
+              videoId: "2N7UOXPpKgM",
+              durationSeconds: 18,
+              id: "201",
+            },
+            {
+              title: "tachi waza shomen uchi kokyu nage 04",
+              videoId: "pYBqXsj5tL4",
+              durationSeconds: 18,
+              id: "202",
+            },
+            {
+              title: "tachi waza shomen uchi kokyu nage 05",
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+              durationSeconds: 21,
+              id: "203",
+            },
+            {
+              title: "tachi waza shomen uchi kokyu nage 06",
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+              durationSeconds: 18,
+              id: "204",
+            },
+          ],
+        },
+        gokyo: {
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+              title: "tachi waza shomen uchi gokyo",
+              videoId: "91pLpZySRl4",
+              durationSeconds: 14,
+              id: "273",
+            },
+          ],
+        },
+      },
+      "kata dori": {
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+              videoId: "SXl27xFPwpA",
+              durationSeconds: 26,
+              id: "30",
+            },
+          ],
+          ura: [
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+              id: "31",
+            },
+          ],
+        },
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+              title: "tachi waza kata dori nikyo omote",
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+              durationSeconds: 28,
+              id: "32",
+            },
+          ],
+          ura: [
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+              videoId: "e4nL1r4SQs8",
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+              id: "33",
+            },
+          ],
+        },
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+              durationSeconds: 46,
+              id: "181",
+            },
+          ],
+          ura: [
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+              id: "182",
+            },
+          ],
+        },
+        yonkyo: {
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+              durationSeconds: 31,
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+            },
+          ],
+          ura: [
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+            },
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+        },
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+              durationSeconds: 20,
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+            },
+          ],
+          ura: [
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+              durationSeconds: 20,
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+            },
+          ],
+        },
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+              videoId: "kS036P7tyWU",
+              durationSeconds: 18,
+              id: "43",
+            },
+          ],
+          ura: [
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+              title: "tachi waza yokomen uchi ude kime nage ura",
+              videoId: "WrQoMKhlgfg",
+              durationSeconds: 18,
+              id: "44",
+            },
+          ],
+        },
+        ikkyo: {
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+              videoId: "aBU9kwaRDAI",
+              durationSeconds: 26,
+              id: "105",
+            },
+          ],
+          ura: [
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+              durationSeconds: 25,
+              id: "106",
+            },
+          ],
+        },
+        nikyo: {
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+              title: "tachi waza yokomen uchi nikyo omote",
+              videoId: "qdqVDdX_gjU",
+              durationSeconds: 31,
+              id: "107",
+            },
+          ],
+          ura: [
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+              title: "tachi waza yokomen uchi nikyo ura",
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+              durationSeconds: 33,
+              id: "108",
+            },
+          ],
+        },
+        sankyo: {
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+              videoId: "8QYckaVxS0I",
+              durationSeconds: 42,
+              id: "109",
+            },
+          ],
+          ura: [
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+              durationSeconds: 33,
+              id: "110",
+            },
+          ],
+        },
+        yonkyo: {
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+              durationSeconds: 28,
+              id: "111",
+            },
+          ],
+          ura: [
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+              id: "112",
+            },
+          ],
+        },
+        "kote gaeshi": {
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+              durationSeconds: 28,
+              id: "113",
+            },
+          ],
+        },
+        "irimi nage": {
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+              videoId: "WUeoBoEA2WY",
+              durationSeconds: 25,
+              id: "114",
+            },
+            {
+              title: "tachi waza yokomen uchi irimi nage 02",
+              videoId: "H4aCVOo4SAM",
+              durationSeconds: 21,
+              id: "115",
+            },
+            {
+              title: "tachi waza yokomen uchi irimi nage 03",
+              videoId: "yQdAh-BD4c0",
+              durationSeconds: 16,
+              id: "116",
+            },
+            {
+              title: "tachi waza yokomen uchi irimi nage 04",
+              videoId: "iNY1cbwUIrE",
+              durationSeconds: 15,
+              id: "117",
+            },
+          ],
+        },
+        gokyo: {
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+              title: "tachi waza yokomen uchi gokyo ura",
+              videoId: "gvRvkXn-XGg",
+              durationSeconds: 31,
+              id: "205",
+            },
+          ],
+        },
+        "kokyu nage": {
+          "single-direction": [
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+              title: "tachi waza yokomen uchi kokyu nage",
+              videoId: "fPxtHgfLVnI",
+              durationSeconds: 17,
+              id: "206",
+            },
+          ],
+        },
+      },
+      "ryote dori": {
+        "tenchi nage": {
+          omote: [
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+              title: "tachi waza ryote dori tenchi nage omote",
+              videoId: "hN5yNCyimMU",
+              durationSeconds: 19,
+              id: "45",
+            },
+          ],
+          ura: [
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+              title: "tachi waza ryote dori tenchi nage ura",
+              videoId: "RCn5JPEj0AA",
+              durationSeconds: 15,
+              id: "46",
+            },
+          ],
+        },
+        ikkyo: {
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+              title: "tachi waza ryote dori ikkyo omote",
+              videoId: "afQn85XeaU8",
+              durationSeconds: 26,
+              id: "81",
+            },
+          ],
+          ura: [
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+              title: "tachi waza ryote dori ikkyo ura",
+              videoId: "HudB-p-Zl5w",
+              durationSeconds: 24,
+              id: "82",
+            },
+          ],
+        },
+        "shiho nage": {
+          omote: [
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+              title: "tachi waza ryote dori shiho nage omote",
+              videoId: "W-XW1_nl66k",
+              durationSeconds: 21,
+              id: "83",
+            },
+          ],
+          ura: [
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+              title: "tachi waza ryote dori shiho nage ura",
+              videoId: "gZMo-JCALAk",
+              durationSeconds: 17,
+              id: "84",
+            },
+          ],
+        },
+        "ude kime nage": {
+          omote: [
+            {
+              title: "tachi waza ryote dori ude kime nage omote",
+              videoId: "BK2ADY1jSvM",
+              durationSeconds: 14,
+              id: "85",
+            },
+          ],
+          ura: [
+            {
+              title: "tachi waza ryote dori ude kime nage ura",
+              videoId: "MGyRZS8OdSE",
+              durationSeconds: 18,
+              id: "86",
+            },
+          ],
+        },
+        "kokyu nage": {
+          "single-direction": [
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+              title: "tachi waza ryote dori kokyu nage 01",
+              videoId: "D03QJ5FVMTg",
+              durationSeconds: 15,
+              id: "87",
+            },
+            {
+              title: "tachi waza ryote dori kokyu nage 02",
+              videoId: "W0cJo4TE9EA",
+              durationSeconds: 14,
+              id: "88",
+            },
+            {
+              title: "tachi waza ryote dori kokyu nage 03",
+              videoId: "h68D-XdD4mY",
+              durationSeconds: 20,
+              id: "89",
+            },
+            {
+              title: "tachi waza ryote dori kokyu nage 04",
+              videoId: "gEwXOcJvzJQ",
+              durationSeconds: 14,
+              id: "90",
+            },
+            {
+              title: "tachi waza ryote dori kokyu nage 05",
+              videoId: "a1GeXI6TPjQ",
+              durationSeconds: 14,
+              id: "91",
+            },
+            {
+              title: "tachi waza ryote dori kokyu nage 06",
+              videoId: "Q3-LEq1xLBM",
+              durationSeconds: 15,
+              id: "92",
+            },
+            {
+              title: "tachi waza ryote dori kokyu nage 07",
+              videoId: "iw1-CHke6E4",
+              durationSeconds: 14,
+              id: "93",
+            },
+          ],
+        },
+        "kote gaeshi": {
+          "single-direction": [
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+              title: "tachi waza ryote dori kote gaeshi",
+              videoId: "DiMvb9qWJtM",
+              durationSeconds: 28,
+              id: "207",
+            },
+          ],
+        },
+        "irimi nage": {
+          "single-direction": [
+            {
+              title: "tachi waza ryote dori irimi nage",
+              videoId: "Y6-3-6g7NNA",
+              durationSeconds: 27,
+              id: "208",
+            },
+          ],
+        },
+      },
+      "ushiro ryote dori": {
+        sankyo: {
+          omote: [
+            {
+              title: "tachi waza ushiro ryote dori sankyo omote 01",
+              videoId: "yk5TOrSCDk0",
+              durationSeconds: 31,
+              id: "47",
+            },
+            {
+              title: "tachi waza ushiro ryote dori sankyo omote 02",
+              videoId: "XiBakuXEMf0",
+              durationSeconds: 30,
+              id: "48",
+            },
+          ],
+          ura: [
+            {
+              title: "tachi waza ushiro ryote dori sankyo ura 01",
+              videoId: "JU--v07PGmA",
+              durationSeconds: 35,
+              id: "49",
+            },
+            {
+              title: "tachi waza ushiro ryote dori sankyo ura 02",
+              videoId: "PngqAHfdBv4",
+              durationSeconds: 31,
+              id: "50",
+            },
+          ],
+        },
+        ikkyo: {
+          omote: [
+            {
+              title: "tachi waza ushiro ryote dori ikkyo omote",
+              videoId: "esFrZFBRVfU",
+              durationSeconds: 28,
+              id: "94",
+            },
+          ],
+          ura: [
+            {
+              title: "tachi waza ushiro ryote dori ikkyo ura",
+              videoId: "6fXx4JG36Rw",
+              durationSeconds: 28,
+              id: "95",
+            },
+          ],
+        },
+        nikyo: {
+          omote: [
+            {
+              title: "tachi waza ushiro ryote dori nikyo omote",
+              videoId: "A-GJGzF9y5c",
+              durationSeconds: 31,
+              id: "96",
+            },
+          ],
+          ura: [
+            {
+              title: "tachi waza ushiro ryote dori nikyo ura",
+              videoId: "Ga-7V7aRMuU",
+              durationSeconds: 31,
+              id: "97",
+            },
+          ],
+        },
+        yonkyo: {
+          omote: [
+            {
+              title: "tachi waza ushiro ryote dori yonkyo omote",
+              videoId: "XS7OXIAO1IQ",
+              durationSeconds: 25,
+              id: "98",
+            },
+          ],
+          ura: [
+            {
+              title: "tachi waza ushiro ryote dori yonkyo ura",
+              videoId: "VoVH7kCM-iA",
+              durationSeconds: 27,
+              id: "99",
+            },
+          ],
+        },
+        "kote gaeshi": {
+          "single-direction": [
+            {
+              title: "tachi waza ushiro ryote dori kote gaeshi",
+              videoId: "Cmc8YjYSwAY",
+              durationSeconds: 32,
+              id: "100",
+            },
+          ],
+        },
+        "irimi nage": {
+          "single-direction": [
+            {
+              title: "tachi waza ushiro ryote dori irimi nage",
+              videoId: "lTtNUcbdcI4",
+              durationSeconds: 22,
+              id: "101",
+            },
+          ],
+        },
+        "kokyu nage": {
+          "single-direction": [
+            {
+              title: "tachi waza ushiro ryote dori kokyu nage 01",
+              videoId: "lSXiuN7ZKvo",
+              durationSeconds: 16,
+              id: "102",
+            },
+            {
+              title: "tachi waza ushiro ryote dori kokyu nage 02",
+              videoId: "NLDzaKoOyHA",
+              durationSeconds: 18,
+              id: "103",
+            },
+            {
+              title: "tachi waza ushiro ryote dori kokyu nage 03",
+              videoId: "3sRvYDaQN9E",
+              durationSeconds: 13,
+              id: "104",
+            },
+          ],
+        },
+        "juji garami": {
+          "single-direction": [
+            {
+              title: "tachi waza ushiro ryote dori juji garami",
+              videoId: "9qgS2wQ0Z40",
+              durationSeconds: 23,
+              id: "214",
+            },
+          ],
+        },
+        "sokumen irimi nage": {
+          "single-direction": [
+            {
+              title: "tachi waza ushiro ryote dori sokumen irimi nage",
+              videoId: "XF0KeGY32vM",
+              durationSeconds: 27,
+              id: "215",
+            },
+          ],
+        },
+        "shiho nage": {
+          omote: [
+            {
+              title: "tachi waza ushiro ryote dori shiho nage omote",
+              videoId: "nSRq3OFu400",
+              durationSeconds: 26,
+              id: "216",
+            },
+          ],
+          ura: [
+            {
+              title: "tachi waza ushiro ryote dori shiho nage ura",
+              videoId: "QBRs9EECPk4",
+              durationSeconds: 24,
+              id: "217",
+            },
+          ],
+        },
+        "ude kime nage": {
+          "single-direction": [
+            {
+              title: "tachi waza ushiro ryote dori ude kime nage omote",
+              videoId: "OImkO0mXc6Y",
+              durationSeconds: 24,
+              id: "218",
+            },
+          ],
+        },
+      },
+      "katate ryote dori": {
+        ikkyo: {
+          omote: [
+            {
+              title: "tachi waza katate ryote dori ikkyo omote",
+              videoId: "zNz8cIlvCEY",
+              durationSeconds: 30,
+              id: "71",
+            },
+          ],
+          ura: [
+            {
+              title: "tachi waza katate ryote dori ikkyo ura",
+              videoId: "5RwHTHBPoPc",
+              durationSeconds: 28,
+              id: "72",
+            },
+          ],
+        },
+        nikyo: {
+          omote: [
+            {
+              title: "tachi waza katate ryote dori nikyo omote",
+              videoId: "0sCP4X6nWwI",
+              durationSeconds: 34,
+              id: "73",
+            },
+          ],
+          ura: [
+            {
+              title: "tachi waza katate ryote dori nikyo ura",
+              videoId: "xSYZ2SpIVSA",
+              durationSeconds: 33,
+              id: "74",
+            },
+          ],
+        },
+        "kote gaeshi": {
+          "single-direction": [
+            {
+              title: "tachi waza katate ryote dori kote gaeshi",
+              videoId: "9g0usMCj3i4",
+              durationSeconds: 33,
+              id: "75",
+            },
+          ],
+        },
+        "ude kime nage": {
+          omote: [
+            {
+              title: "tachi waza katate ryote dori ude kime nage omote",
+              videoId: "N6_mLTPRkFU",
+              durationSeconds: 15,
+              id: "76",
+            },
+          ],
+        },
+        "sokumen irimi nage": {
+          "single-direction": [
+            {
+              title: "tachi waza katate ryote dori sokumen irimi nage",
+              videoId: "NsWp_lc5wkg",
+              durationSeconds: 28,
+              id: "77",
+            },
+          ],
+        },
+        "kokyu nage": {
+          "single-direction": [
+            {
+              title: "tachi waza katate ryote dori kokyu nage 01a",
+              videoId: "B5Vyd3jQhqk",
+              durationSeconds: 14,
+              id: "78",
+            },
+            {
+              title: "tachi waza katate ryote dori kokyu nage 01b",
+              videoId: "zyMmaHK0Fz8",
+              durationSeconds: 23,
+              id: "79",
+            },
+            {
+              title: "tachi waza katate ryote dori kokyu nage 02",
+              videoId: "OCFMAkIRX74",
+              durationSeconds: 13,
+              id: "80",
+            },
+          ],
+        },
+        "shiho nage": {
+          "single-direction": [
+            {
+              title: "tachi waza katate ryote dori shiho nage omote 01",
+              videoId: "G032IIQHkEY",
+              durationSeconds: 30,
+              id: "211",
+            },
+            {
+              title: "tachi waza katate ryote dori shiho nage omote 02",
+              videoId: "2tGPHY2iSXA",
+              durationSeconds: 22,
+              id: "212",
+            },
+          ],
+        },
+        "irimi nage": {
+          "single-direction": [
+            {
+              title: "tachi waza katate ryote dori irimi nage",
+              videoId: "3tZ3FVZW2cA",
+              durationSeconds: 26,
+              id: "213",
+            },
+          ],
+        },
+        "juji garami": {
+          "single-direction": [
+            {
+              title: "tachi waza katate ryote dori juji garami",
+              videoId: "xjT9HgGPoFg",
+              durationSeconds: 16,
+              id: "281",
+            },
+          ],
+        },
+      },
+      "kata dori men uchi": {
+        ikkyo: {
+          omote: [
+            {
+              title: "tachi waza kata dori men uchi ikkyo omote",
+              videoId: "LK0yjnttxU0",
+              durationSeconds: 34,
+              id: "161",
+            },
+          ],
+          ura: [
+            {
+              title: "tachi waza kata dori men uchi ikkyo ura",
+              videoId: "U-nvtIB0J30",
+              durationSeconds: 30,
+              id: "162",
+            },
+          ],
+        },
+        nikyo: {
+          omote: [
+            {
+              title: "tachi waza kata dori men uchi nikyo omote",
+              videoId: "rthpDpijghk",
+              durationSeconds: 36,
+              id: "163",
+            },
+          ],
+          ura: [
+            {
+              title: "tachi waza kata dori men uchi nikyo ura",
+              videoId: "PnwuCyh2FW4",
+              durationSeconds: 34,
+              id: "164",
+            },
+          ],
+        },
+        sankyo: {
+          omote: [
+            {
+              title: "tachi waza kata dori men uchi sankyo omote",
+              videoId: "qKspH3eZ8R0",
+              durationSeconds: 38,
+              id: "165",
+            },
+          ],
+          ura: [
+            {
+              title: "tachi waza kata dori men uchi sankyo ura",
+              videoId: "34yvXnCg1_Y",
+              durationSeconds: 39,
+              id: "166",
+            },
+          ],
+        },
+        yonkyo: {
+          omote: [
+            {
+              title: "tachi waza kata dori men uchi yonkyo omote",
+              videoId: "lhAPM4uqq7E",
+              durationSeconds: 30,
+              id: "167",
+            },
+          ],
+          ura: [
+            {
+              title: "tachi waza kata dori men uchi yonkyo ura",
+              videoId: "WtPHBWJzCYI",
+              durationSeconds: 37,
+              id: "168",
+            },
+          ],
+        },
+        "kote gaeshi": {
+          "single-direction": [
+            {
+              title: "tachi waza kata dori men uchi kote gaeshi",
+              videoId: "GwoMiN2s640",
+              durationSeconds: 34,
+              id: "169",
+            },
+          ],
+        },
+        "shiho nage": {
+          "single-direction": [
+            {
+              title: "tachi waza kata dori men uchi shiho nage",
+              videoId: "YYTNE0Yf6aw",
+              durationSeconds: 23,
+              id: "170",
+            },
+          ],
+        },
+        "irimi nage": {
+          "single-direction": [
+            {
+              title: "tachi waza kata dori men uchi irimi nage",
+              videoId: "spD7BbD4WQc",
+              durationSeconds: 30,
+              id: "171",
+            },
+          ],
+        },
+        "kokyu nage": {
+          "single-direction": [
+            {
+              title: "tachi waza kata dori men uchi kokyu nage",
+              videoId: "8mMhDSJFEaw",
+              durationSeconds: 22,
+              id: "172",
+            },
+          ],
+        },
+      },
+      "ushiro ryo kata dori": {
+        ikkyo: {
+          omote: [
+            {
+              title: "tachi waza ushiro ryo kata dori ikkyo omote",
+              videoId: "hyYA3WH72_Y",
+              durationSeconds: 32,
+              id: "173",
+            },
+          ],
+          ura: [
+            {
+              title: "tachi waza ushiro ryo kata dori ikkyo ura",
+              videoId: "GyiubQCwaWE",
+              durationSeconds: 30,
+              id: "174",
+            },
+          ],
+        },
+        nikyo: {
+          omote: [
+            {
+              title: "tachi waza ushiro ryo kata dori nikyo omote",
+              videoId: "DzcKU9fHXSE",
+              durationSeconds: 34,
+              id: "175",
+            },
+          ],
+          ura: [
+            {
+              title: "tachi waza ushiro ryo kata dori nikyo ura",
+              videoId: "usC173DfIFg",
+              durationSeconds: 36,
+              id: "176",
+            },
+          ],
+        },
+        sankyo: {
+          omote: [
+            {
+              title: "tachi waza ushiro ryo kata dori sankyo omote",
+              videoId: "iDGteTTBj-E",
+              durationSeconds: 36,
+              id: "177",
+            },
+          ],
+          ura: [
+            {
+              title: "tachi waza ushiro ryo kata dori sankyo ura",
+              videoId: "zm9nVV9dQiU",
+              durationSeconds: 36,
+              id: "178",
+            },
+          ],
+        },
+        "sokumen irimi nage": {
+          "single-direction": [
+            {
+              title: "tachi waza ushiro ryo kata dori sokumen irimi nage 01",
+              videoId: "J6H4cH6c3rw",
+              durationSeconds: 27,
+              id: "179",
+            },
+            {
+              title: "tachi waza ushiro ryo kata dori sokumen irimi nage 02",
+              videoId: "ON_-LcZvGNQ",
+              durationSeconds: 26,
+              id: "180",
+            },
+          ],
+        },
+      },
+      "chudan tsuki": {
+        ikkyo: {
+          omote: [
+            {
+              title: "tachi waza chudan tsuki ikkyo omote",
+              videoId: "-PWD3x1qi-0",
+              durationSeconds: 26,
+              id: "219",
+            },
+          ],
+          ura: [
+            {
+              title: "tachi waza chudan tsuki ikkyo ura",
+              videoId: "ohdLSy3Q1go",
+              durationSeconds: 21,
+              id: "220",
+            },
+          ],
+        },
+        "irimi nage": {
+          "single-direction": [
+            {
+              title: "tachi waza chudan tsuki irimi nage",
+              videoId: "vm6Qze7etog",
+              durationSeconds: 25,
+              id: "221",
+            },
+          ],
+        },
+        nikyo: {
+          omote: [
+            {
+              title: "tachi waza chudan tsuki nikyo omote",
+              videoId: "zLvwioNWjpY",
+              durationSeconds: 27,
+              id: "262",
+            },
+          ],
+          ura: [
+            {
+              title: "tachi waza chudan tsuki nikyo ura",
+              videoId: "hx4IBBwkUlA",
+              durationSeconds: 31,
+              id: "263",
+            },
+          ],
+        },
+        sankyo: {
+          omote: [
+            {
+              title: "tachi waza chudan tsuki sankyo omote",
+              videoId: "1VlrLxkFWOY",
+              durationSeconds: 31,
+              id: "264",
+            },
+          ],
+          ura: [
+            {
+              title: "tachi waza chudan tsuki sankyo ura",
+              videoId: "rsqoIEMPqfs",
+              durationSeconds: 30,
+              id: "265",
+            },
+          ],
+        },
+        yonkyo: {
+          omote: [
+            {
+              title: "tachi waza chudan tsuki yonkyo omote",
+              videoId: "EndWQYJjknI",
+              durationSeconds: 34,
+              id: "266",
+            },
+          ],
+          ura: [
+            {
+              title: "tachi waza chudan tsuki yonkyo ura",
+              videoId: "zCOHMhtwkdc",
+              durationSeconds: 22,
+              id: "267",
+            },
+          ],
+        },
+        "kote gaeshi": {
+          "single-direction": [
+            {
+              title: "tachi waza chudan tsuki kote gaeshi",
+              videoId: "8OFsmMhLQJk",
+              durationSeconds: 27,
+              id: "268",
+            },
+          ],
+        },
+        "soto kaiten nage": {
+          omote: [
+            {
+              title: "tachi waza chudan tsuki soto kaiten nage omote",
+              videoId: "imYcd3r0sSk",
+              durationSeconds: 13,
+              id: "269",
+            },
+          ],
+          ura: [
+            {
+              title: "tachi waza chudan tsuki soto kaiten nage ura",
+              videoId: "kZIBjHsNCI8",
+              durationSeconds: 12,
+              id: "270",
+            },
+          ],
+        },
+        "uchi kaiten nage": {
+          omote: [
+            {
+              title: "tachi waza chudan tsuki uchi kaiten nage omote",
+              videoId: "rKkZRJ4Z5Ik",
+              durationSeconds: 23,
+              id: "271",
+            },
+          ],
+          ura: [
+            {
+              title: "tachi waza chudan tsuki uchi kaiten nage ura",
+              videoId: "gnhl1MA4z8U",
+              durationSeconds: 17,
+              id: "272",
+            },
+          ],
+        },
+      },
+      "jodan tsuki": {
+        "hiji kimo osae": {
+          "single-direction": [
+            {
+              title: "tachi waza jodan tsuki hiji kime osae",
+              videoId: "4NEEUNKpmN8",
+              durationSeconds: 23,
+              id: "222",
+            },
+          ],
+        },
+        ikkyo: {
+          omote: [
+            {
+              title: "tachi waza jodan tsuki ikkyo omote",
+              videoId: "5vQf-7ZpoL4",
+              durationSeconds: 16,
+              id: "248",
+            },
+          ],
+          ura: [
+            {
+              title: "tachi waza jodan tsuki ikkyo ura",
+              videoId: "zZSppq9GrRw",
+              durationSeconds: 11,
+              id: "249",
+            },
+          ],
+        },
+        nikyo: {
+          omote: [
+            {
+              title: "tachi waza jodan tsuki nikyo omote",
+              videoId: "-SAcdtRsAuE",
+              durationSeconds: 20,
+              id: "250",
+            },
+          ],
+          ura: [
+            {
+              title: "tachi waza jodan tsuki nikyo ura",
+              videoId: "Asn8X7AZIk0",
+              durationSeconds: 23,
+              id: "251",
+            },
+          ],
+        },
+        sankyo: {
+          omote: [
+            {
+              title: "tachi waza jodan tsuki sankyo omote",
+              videoId: "qHVKjktps3Q",
+              durationSeconds: 29,
+              id: "252",
+            },
+          ],
+          ura: [
+            {
+              title: "tachi waza jodan tsuki sankyo ura",
+              videoId: "wvvFzoS3vaU",
+              durationSeconds: 24,
+              id: "253",
+            },
+          ],
+        },
+        yonkyo: {
+          omote: [
+            {
+              title: "tachi waza jodan tsuki yonkyo omote",
+              videoId: "4lWtwVfYLfg",
+              durationSeconds: 17,
+              id: "254",
+            },
+          ],
+          ura: [
+            {
+              title: "tachi waza jodan tsuki yonkyo ura",
+              videoId: "CQ5pIFTXm8A",
+              durationSeconds: 16,
+              id: "255",
+            },
+          ],
+        },
+        "shiho nage": {
+          omote: [
+            {
+              title: "tachi waza jodan tsuki shiho nage omote",
+              videoId: "88hd8_dmfa0",
+              durationSeconds: 22,
+              id: "256",
+            },
+          ],
+        },
+        "irimi nage": {
+          "single-direction": [
+            {
+              title: "tachi waza jodan tsuki irimi nage",
+              videoId: "6Ju8QDHLP6Q",
+              durationSeconds: 28,
+              id: "257",
+            },
+          ],
+        },
+        "soto kaiten nage": {
+          omote: [
+            {
+              title: "tachi waza jodan tsuki soto kaiten nage omote",
+              videoId: "MDp6wZMpj5c",
+              durationSeconds: 15,
+              id: "258",
+            },
+          ],
+          ura: [
+            {
+              title: "tachi waza jodan tsuki soto kaiten nage ura",
+              videoId: "LdMPeDHB5wY",
+              durationSeconds: 19,
+              id: "259",
+            },
+          ],
+        },
+        "uchi kaiten nage": {
+          omote: [
+            {
+              title: "tachi waza jodan tsuki uchi kaiten nage omote",
+              videoId: "ODmwo1i9GR8",
+              durationSeconds: 15,
+              id: "260",
+            },
+          ],
+          ura: [
+            {
+              title: "tachi waza jodan tsuki uchi kaiten nage ura",
+              videoId: "0VRvUccgHZ8",
+              durationSeconds: 10,
+              id: "261",
+            },
+          ],
+        },
+      },
+      "ushiro ryo hiji dori": {
+        ikkyo: {
+          omote: [
+            {
+              title: "tachi waza ushiro ryo hiji dori ikkyo omote",
+              videoId: "Ci_cb5tlyb0",
+              durationSeconds: 30,
+              id: "223",
+            },
+          ],
+          ura: [
+            {
+              title: "tachi waza ushiro ryo hiji dori ikkyo ura",
+              videoId: "Tb8wipTVG-4",
+              durationSeconds: 32,
+              id: "224",
+            },
+          ],
+        },
+        "shiho nage": {
+          omote: [
+            {
+              title: "tachi waza ushiro ryo hiji dori shiho nage omote",
+              videoId: "cD5UKDzptJM",
+              durationSeconds: 10,
+              id: "275",
+            },
+          ],
+          ura: [
+            {
+              title: "tachi waza ushiro ryo hiji dori shiho nage ura",
+              videoId: "UO6VZLKI7lw",
+              durationSeconds: 8,
+              id: "276",
+            },
+          ],
+        },
+      },
+      "mae ryo kata dori": {
+        "sokumen irimi nage": {
+          "single-direction": [
+            {
+              title: "tachi waza mae ryo kata dori sokumen irimi nage",
+              videoId: "uec9796snuY",
+              durationSeconds: 22,
+              id: "225",
+            },
+          ],
+        },
+      },
+      "ushiro eri dori": {
+        ikkyo: {
+          omote: [
+            {
+              title: "tachi waza ushiro eri dori ikkyo omote",
+              videoId: "JDYDPUcwbIA",
+              durationSeconds: 26,
+              id: "244",
+            },
+          ],
+          ura: [
+            {
+              title: "tachi waza ushiro eri dori ikkyo ura",
+              videoId: "81ej6LvdkvA",
+              durationSeconds: 24,
+              id: "245",
+            },
+          ],
+        },
+        "kote gaeshi": {
+          "single-direction": [
+            {
+              title: "tachi waza ushiro eri dori kote gaeshi",
+              videoId: "lrBvKPIr4Fw",
+              durationSeconds: 26,
+              id: "246",
+            },
+          ],
+        },
+        "shiho nage": {
+          "single-direction": [
+            {
+              title: "tachi waza ushiro eri dori shiho nage",
+              videoId: "G5DdZJS0Jj0",
+              durationSeconds: 34,
+              id: "247",
+            },
+          ],
+        },
+      },
+      "muna dori": {
+        "shiho nage": {
+          "single-direction": [
+            {
+              title: "tachi waza muna dori shiho nage",
+              videoId: "k0K2IjYKs_Y",
+              durationSeconds: 19,
+              id: "274",
+            },
+          ],
+        },
+      },
+      "ushiro katate dori kubi shime": {
+        ikkyo: {
+          omote: [
+            {
+              title: "tachi waza ushiro katate dori kubi shime ikkyo omote",
+              videoId: "RrusD4gyxMg",
+              durationSeconds: 20,
+              id: "277",
+            },
+          ],
+          ura: [
+            {
+              title: "tachi waza ushiro katate dori kubi shime ikkyo ura",
+              videoId: "hJgtiKHCYJE",
+              durationSeconds: 19,
+              id: "278",
+            },
+          ],
+        },
+        "kote gaeshi": {
+          "single-direction": [
+            {
+              title: "tachi waza ushiro katate dori kubi shime kote gaeshi",
+              videoId: "6qzK2vnNB7I",
+              durationSeconds: 24,
+              id: "279",
+            },
+          ],
+        },
+        "shiho nage": {
+          "single-direction": [
+            {
+              title: "tachi waza ushiro katate dori kubi shime shiho nage",
+              videoId: "HiLBy7oPDIc",
+              durationSeconds: 30,
+              id: "280",
+            },
+          ],
+        },
+      },
+    },
+    "hanmi handachi waza": {
+      "gyuako hanmi katate dori": {
+        "shiho nage": {
+          omote: [
+            {
+              title: "hanmi handachi waza katate dori shiho nage omote",
+              videoId: "Y2Ka7Zjpt1Q",
+              durationSeconds: 19,
+              id: "66",
+            },
+          ],
+          ura: [
+            {
+              title: "hanmi handachi waza katate dori shiho nage ura",
+              videoId: "fnAacJCkSAE",
+              durationSeconds: 16,
+              id: "67",
+            },
+          ],
+        },
+        "uchi kaiten nage": {
+          omote: [
+            {
+              title: "hanmi handachi waza katate dori uchi kaiten nage omote",
+              videoId: "buCpYcLmYlA",
+              durationSeconds: 22,
+              id: "68",
+            },
+          ],
+          ura: [
+            {
+              title: "hanmi handachi waza katate dori uchi kaiten nage ura",
+              videoId: "jk9nnXxYJ4w",
+              durationSeconds: 22,
+              id: "69",
+            },
+          ],
+        },
+        "soto kaiten nage": {
+          omote: [
+            {
+              title: "hanmi handachi waza katate dori soto kaiten nage omote",
+              videoId: "uyO9Lti4Mj0",
+              durationSeconds: 22,
+              id: "159",
+            },
+          ],
+          ura: [
+            {
+              title: "hanmi handachi waza katate dori soto kaiten nage ura",
+              videoId: "wkm2I-aditY",
+              durationSeconds: 23,
+              id: "160",
+            },
+          ],
+        },
+        ikkyo: {
+          omote: [
+            {
+              title: "hanmi handachi waza katate dori ikkyo omote",
+              videoId: "RpANzuvl-EU",
+              durationSeconds: 25,
+              id: "233",
+            },
+          ],
+          ura: [
+            {
+              title: "hanmi handachi waza katate dori ikkyo ura",
+              videoId: "25A191PltAg",
+              durationSeconds: 22,
+              id: "234",
+            },
+          ],
+        },
+        nikyo: {
+          omote: [
+            {
+              title: "hanmi handachi waza katate dori nikyo omote",
+              videoId: "diH69ItzFps",
+              durationSeconds: 22,
+              id: "235",
+            },
+          ],
+          ura: [
+            {
+              title: "hanmi handachi waza katate dori nikyo ura",
+              videoId: "NF89e-sIzRU",
+              durationSeconds: 35,
+              id: "236",
+            },
+          ],
+        },
+      },
+      "shomen uchi": {
+        "irimi nage": {
+          "single-direction": [
+            {
+              title: "hanmi handachi waza shomen uchi irimi nage",
+              videoId: "1KahuOB4TIU",
+              durationSeconds: 20,
+              id: "70",
+            },
+          ],
+        },
+        "kote gaeshi": {
+          "single-direction": [
+            {
+              title: "hanmi handachi waza shomen uchi kote gaeshi",
+              videoId: "spqR3I4_ZYA",
+              durationSeconds: 29,
+              id: "156",
+            },
+          ],
+        },
+        ikkyo: {
+          omote: [
+            {
+              title: "hanmi handachi waza shomen uchi ikkyo omote",
+              videoId: "R37nt6DYPxE",
+              durationSeconds: 19,
+              id: "228",
+            },
+          ],
+          ura: [
+            {
+              title: "hanmi handachi waza shomen uchi ikkyo ura",
+              videoId: "9Jn39xlD7lc",
+              durationSeconds: 16,
+              id: "229",
+            },
+          ],
+        },
+        nikyo: {
+          omote: [
+            {
+              title: "hanmi handachi waza shomen uchi nikyo omote",
+              videoId: "6hIP-5ubeiM",
+              durationSeconds: 21,
+              id: "230",
+            },
+          ],
+          ura: [
+            {
+              title: "hanmi handachi waza shomen uchi nikyo ura",
+              videoId: "iRNwxzRupa0",
+              durationSeconds: 32,
+              id: "231",
+            },
+          ],
+        },
+        gokyo: {
+          "single-direction": [
+            {
+              title: "hanmi handachi waza shomen uchi gokyo",
+              videoId: "ucC45Xl1iF0",
+              durationSeconds: 15,
+              id: "232",
+            },
+          ],
+        },
+      },
+      "ryote dori": {
+        "shiho nage": {
+          omote: [
+            {
+              title: "hanmi handachi waza ryote dori shiho nage omote",
+              videoId: "QOW-QUUZv3E",
+              durationSeconds: 29,
+              id: "157",
+            },
+          ],
+          ura: [
+            {
+              title: "hanmi handachi waza ryote dori shiho nage ura",
+              videoId: "AD6DQSUKCIE",
+              durationSeconds: 14,
+              id: "158",
+            },
+          ],
+        },
+      },
+      "ushiro ryo kata dori": {
+        ikkyo: {
+          omote: [
+            {
+              title: "hanmi handachi waza ushiro ryo kata dori ikkyo omote",
+              videoId: "cIWZ1XyvDk8",
+              durationSeconds: 21,
+              id: "237",
+            },
+          ],
+          ura: [
+            {
+              title: "hanmi handachi waza ushiro ryo kata dori ikkyo ura",
+              videoId: "TD4Ial8vZQk",
+              durationSeconds: 20,
+              id: "238",
+            },
+          ],
+        },
+        nikyo: {
+          omote: [
+            {
+              title: "hanmi handachi waza ushiro ryo kata dori nikyo omote",
+              videoId: "g26L8digd9Y",
+              durationSeconds: 25,
+              id: "239",
+            },
+          ],
+        },
+        sankyo: {
+          omote: [
+            {
+              title: "hanmi handachi waza ushiro ryo kata dori sankyo omote",
+              videoId: "8STsvJ8zT-c",
+              durationSeconds: 24,
+              id: "240",
+            },
+          ],
+          ura: [
+            {
+              title: "hanmi handachi waza ushiro ryo kata dori sankyo ura",
+              videoId: "JWuoF9cWYYI",
+              durationSeconds: 52,
+              id: "241",
+            },
+          ],
+        },
+        yonkyo: {
+          omote: [
+            {
+              title: "hanmi handachi waza ushiro ryo kata dori yonkyo omote",
+              videoId: "3wpWxLW8_y8",
+              durationSeconds: 22,
+              id: "242",
+            },
+          ],
+          ura: [
+            {
+              title: "hanmi handachi waza ushiro ryo kata dori yonkyo ura",
+              videoId: "iaWIbQVqBhE",
+              durationSeconds: 11,
+              id: "243",
+            },
+          ],
+        },
+      },
+    },
+  },
+} satisfies VideoPack;
diff --git a/src/data/videopacks/index.test.ts b/src/data/videopacks/index.test.ts
new file mode 100644
index 0000000..6a8635f
--- /dev/null
+++ b/src/data/videopacks/index.test.ts
@@ -0,0 +1,11 @@
+import { listVideoPacks } from "@/data/videopacks/index.ts";
+
+describe("videoPacks", () => {
+  it("listVideoPacks", async () => {
+    expect(await listVideoPacks()).toContainEqual({
+      id: "aikido-kompendium",
+      name: "Aikido Kompendium",
+      source: "https://www.aikido-kompendium.de",
+    });
+  });
+});
diff --git a/src/data/videopacks/index.ts b/src/data/videopacks/index.ts
new file mode 100644
index 0000000..61430a0
--- /dev/null
+++ b/src/data/videopacks/index.ts
@@ -0,0 +1,26 @@
+import type { VideoPack } from "$core/model/VideoPack.ts";
+
+export interface VideoPackInfo {
+  id: string;
+  name: string;
+  source: string;
+}
+
+export async function listVideoPacks(): Promise<VideoPackInfo[]> {
+  const videoPacks = import.meta.glob<VideoPack>("./*/index.ts", { import: "default" });
+  return Promise.all(
+    Object.entries(videoPacks).map(async ([url, videoPack]) => {
+      const id = url.replace(/\.\/(.*)\/index\.ts/, "$1");
+      const pack = await videoPack();
+      return {
+        id,
+        name: pack.name,
+        source: pack.source,
+      };
+    }),
+  );
+}
+
+export async function loadVideoPack(id: string): Promise<VideoPack> {
+  return (await import(`./${id}/index.ts`)).default;
+}
diff --git a/src/i18n/common/de.json b/src/i18n/common/de.json
index 40b4570..cf9c743 100644
--- a/src/i18n/common/de.json
+++ b/src/i18n/common/de.json
@@ -16,6 +16,7 @@
   "donations.liberapay.label": "Unterstütze mich mit Liberapay",
   "donations.paypal.label": "Spendiere einen Kaffee per Paypal",
   "donations.question": "Hat diese App dir geholfen?",
+  "editVideoPack.title": "Video-Pack bearbeiten",
   "examChooser.created-by": "Diese Prüfungstabelle wurde mit \"Aikido-Prüfung\" ({# url #}) erzeugt.",
   "examChooser.exams-from": "Prüfungen von",
   "examChooser.exams.header": "Prüfungen",
diff --git a/src/i18n/common/en.json b/src/i18n/common/en.json
index ce1a1be..9801193 100644
--- a/src/i18n/common/en.json
+++ b/src/i18n/common/en.json
@@ -16,6 +16,7 @@
   "donations.liberapay.label": "Support me at Liberapay",
   "donations.paypal.label": "Buy me a coffee at PayPal",
   "donations.question": "Did this app help you?",
+  "editVideoPack.title": "Edit video pack",
   "examChooser.created-by": "This exam table was created with \"Aikido-Exam\" at {# url #}",
   "examChooser.exams-from": "Exams from",
   "examChooser.exams.header": "Exams",
diff --git a/src/pages/[language]/videos/[videoPackId]/index.astro b/src/pages/[language]/videos/[videoPackId]/index.astro
new file mode 100644
index 0000000..5c3d8dd
--- /dev/null
+++ b/src/pages/[language]/videos/[videoPackId]/index.astro
@@ -0,0 +1,30 @@
+---
+import { listVideoPacks, loadVideoPack } from "@/data/videopacks";
+
+import DefaultLayout from "@/layouts/DefaultLayout.astro";
+import Header from "@/components/astro/Header.astro";
+import { t, tx } from "@/i18n";
+
+import { multiplyParams } from "@/utils/multiplyParams";
+import { languages } from "@/i18n/server";
+import { VideoPackEditor } from "@/components/solid/organisms/VideoPackEditor";
+
+export async function getStaticPaths() {
+  const videoPacks = await listVideoPacks();
+  return multiplyParams({
+    language: languages,
+    videoPackId: videoPacks.map((pack) => pack.id),
+  });
+}
+
+const id = Astro.params.videoPackId;
+const videoPack = await loadVideoPack(id);
+---
+
+<DefaultLayout>
+  <Header slot="header" />
+
+  <h1>{t("editVideoPack.title")}</h1>
+
+  <VideoPackEditor videoPack={videoPack} client:only="solid-js"/></DefaultLayout
+>
diff --git a/src/pages/[language]/videos/index.astro b/src/pages/[language]/videos/index.astro
new file mode 100644
index 0000000..9e73722
--- /dev/null
+++ b/src/pages/[language]/videos/index.astro
@@ -0,0 +1,29 @@
+---
+import { listVideoPacks } from "../../../data/videopacks";
+import DefaultLayout from "@/layouts/DefaultLayout.astro";
+import Header from "@/components/astro/Header.astro";
+import { t, tx } from "@/i18n";
+import { LinkButton } from "@/components/solid/atoms/LinkButton";
+
+import { multiplyParams } from "@/utils/multiplyParams";
+import { languages } from "@/i18n/server";
+
+export async function getStaticPaths() {
+  return multiplyParams({
+    language: languages,
+  });
+}
+
+const videoPacks = await listVideoPacks();
+---
+
+<DefaultLayout>
+  <Header slot="header">VideoPacks</Header>
+  <div>
+    {
+      videoPacks.map((videoPack) => {
+        return <LinkButton label={videoPack.name} href={`./${videoPack.id}`} />;
+      })
+    }
+  </div>
+</DefaultLayout>