diff --git a/src/YoutubePlayer/index.ts b/src/YoutubePlayer/index.ts
index 22697a0..352c190 100644
--- a/src/YoutubePlayer/index.ts
+++ b/src/YoutubePlayer/index.ts
@@ -4,7 +4,7 @@ import { youtubeEnabled } from "$core/store/youtube.ts";
 import { loadYoutubeAdapter } from "@/YoutubePlayer/adapter.ts";
 
 export interface YoutubePlayer {
-  loadVideo(videoId: string): Promise<void>;
+  loadVideo(videoId: string, startSeconds?: number, endSeconds?: number): Promise<void>;
   play(): Promise<void>;
   stop(): Promise<void>;
   waitForStop(): Promise<void>;
@@ -12,7 +12,7 @@ export interface YoutubePlayer {
 
 export async function playVideo(youtubeLink: YoutubeLink): Promise<void> {
   const player = await getOrCreatePlayer();
-  await player.loadVideo(youtubeLink.videoId);
+  await player.loadVideo(youtubeLink.videoId, youtubeLink.startSeconds, youtubeLink.endSeconds);
   await player.play();
   await player.waitForStop();
   await player.stop();
@@ -43,8 +43,8 @@ async function createPlayer(): Promise<YoutubePlayer> {
   updatePlayerSize();
 
   const result = {
-    loadVideo(videoId: string) {
-      return player.loadVideoById(videoId);
+    loadVideo(videoId: string, startSeconds?: number, endSeconds?: number) {
+      return player.loadVideoById(videoId, startSeconds, endSeconds);
     },
     async play() {
       await player.playVideo();
diff --git a/src/components/solid/organisms/Reader/Reader.tsx b/src/components/solid/organisms/Reader/Reader.tsx
index e2ecc82..35d653a 100644
--- a/src/components/solid/organisms/Reader/Reader.tsx
+++ b/src/components/solid/organisms/Reader/Reader.tsx
@@ -14,7 +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";
+import { resolveYoutubeLinks } from "@/utils/resolveYoutubeLinks.ts";
 
 export const Reader: Component<{ dojoInfo: DojoInfo; speechPack: SpeechPack }> = (props) => {
   const techniqueStore = createTechniqueStore(props.dojoInfo.id);
@@ -57,7 +57,7 @@ export const Reader: Component<{ dojoInfo: DojoInfo; speechPack: SpeechPack }> =
           ready={playerLoaded()}
           onClickAutoPlay={() => setAutoPlay(!autoPlay())}
           autoPlayEnabled={autoPlay()}
-          youtube={coerceToArray(lastTechnique()?.metadata?.youtube)}
+          youtube={resolveYoutubeLinks(lastTechnique())}
         />
         <DelayIndicator setDelayControl={setDelayControl} disabled={!autoPlay()} />
         <ExamScroll
diff --git a/src/components/solid/organisms/TechniqueChooser/ExamSheet.tsx b/src/components/solid/organisms/TechniqueChooser/ExamSheet.tsx
index 2472bbd..34000e5 100644
--- a/src/components/solid/organisms/TechniqueChooser/ExamSheet.tsx
+++ b/src/components/solid/organisms/TechniqueChooser/ExamSheet.tsx
@@ -1,20 +1,26 @@
 import { type Component, createMemo, For, Match, Show, Switch } from "solid-js";
-import { SINGLE_DIRECTION, type Technique, type TechniqueMetadata, type YoutubeLink } from "$core/model";
+import { type BaseTechnique, SINGLE_DIRECTION, type Technique, type YoutubeLink } from "$core/model";
 import { ForEntries } from "./ForEntries.tsx";
-import { buildExamTable } from "$core/buildExamTable";
 import { t } from "@/i18n";
 import { youtubeEnabled } from "$core/store/youtube.ts";
 import { usePersistentStore } from "@/components/solid/hooks/usePersistentStore.ts";
 import { YoutubePlayButton } from "@/components/solid/atoms/YoutubePlayButton.tsx";
+import { resolveYoutubeLinks } from "@/utils/resolveYoutubeLinks.ts";
+import { buildTechniqueTree } from "$core/buildExamTable/buildExamTable.ts";
 
 export interface ExamSheetProps {
   techniques: Technique[];
 }
 
 export const ExamSheet: Component<ExamSheetProps> = (props) => {
+  const examTable = createMemo(() =>
+    buildTechniqueTree(props.techniques, (technique) => {
+      return technique;
+    }),
+  );
   return (
     <div>
-      <ForEntries object={buildExamTable(props.techniques)}>
+      <ForEntries object={examTable()}>
         {(execution, attacks) => (
           <div>
             <h2 class={"border-b border-1 border-secondary break-after-avoid"}>{execution}</h2>
@@ -49,7 +55,7 @@ export const ExamSheet: Component<ExamSheetProps> = (props) => {
 };
 
 interface DirectionsProps {
-  directions: Record<string, TechniqueMetadata>;
+  directions: Record<string, BaseTechnique>;
 }
 
 const ShowDirections: Component<DirectionsProps> = (props) => {
@@ -60,7 +66,7 @@ const ShowDirections: Component<DirectionsProps> = (props) => {
   return (
     <Switch>
       <Match when={singleDirection()}>
-        <YoutubeLink metadata={props.directions[SINGLE_DIRECTION]} />
+        <YoutubeLink technique={props.directions[SINGLE_DIRECTION]} />
       </Match>
       <Match when={!singleDirection()}>
         <span class={"text-sm"}>
@@ -70,7 +76,7 @@ const ShowDirections: Component<DirectionsProps> = (props) => {
               return (
                 <span>
                   {direction}
-                  <YoutubeLink metadata={metadata} />
+                  <YoutubeLink technique={metadata} />
                 </span>
               );
             }}
@@ -82,14 +88,9 @@ const ShowDirections: Component<DirectionsProps> = (props) => {
   );
 };
 
-const YoutubeLink: Component<{ metadata: TechniqueMetadata }> = (props) => {
+const YoutubeLink: Component<{ technique: BaseTechnique }> = (props) => {
   const showYoutube = usePersistentStore(youtubeEnabled, false);
-  const youtube =
-    props.metadata.youtube == null
-      ? []
-      : Array.isArray(props.metadata.youtube)
-        ? props.metadata.youtube
-        : [props.metadata.youtube];
+  const youtube = resolveYoutubeLinks(props.technique);
   return (
     <Show when={showYoutube()}>
       <span class={"print:hidden"}>
diff --git a/src/data/videopacks/aikido-kompendium/index.ts b/src/data/videopacks/aikido-kompendium/index.ts
index 1094d7a..efb67ea 100644
--- a/src/data/videopacks/aikido-kompendium/index.ts
+++ b/src/data/videopacks/aikido-kompendium/index.ts
@@ -13,7 +13,7 @@ export default {
               videoId: "3yd1kGHIviA",
               durationSeconds: 20,
               id: "0",
-              startSeconds: 0,
+              startSeconds: 6,
               endSeconds: 20,
             },
           ],
@@ -27,7 +27,7 @@ export default {
               videoId: "HZOkvZDAh34",
               durationSeconds: 27,
               id: "13",
-              startSeconds: 0,
+              startSeconds: 6,
               endSeconds: 27,
             },
           ],
@@ -37,6 +37,8 @@ export default {
               videoId: "QUNg_jthIqM",
               durationSeconds: 21,
               id: "14",
+              startSeconds: 6,
+              endSeconds: 21,
             },
           ],
         },
@@ -47,6 +49,8 @@ export default {
               videoId: "dHhOLufvx3U",
               durationSeconds: 24,
               id: "15",
+              startSeconds: 6,
+              endSeconds: 24,
             },
           ],
         },
@@ -59,6 +63,8 @@ export default {
               videoId: "ODF1mKYFT50",
               durationSeconds: 21,
               id: "16",
+              startSeconds: 6,
+              endSeconds: 21,
             },
           ],
           ura: [
@@ -67,6 +73,8 @@ export default {
               videoId: "dm7lj0RaEzw",
               durationSeconds: 19,
               id: "17",
+              startSeconds: 6,
+              endSeconds: 19,
             },
           ],
         },
@@ -77,6 +85,8 @@ export default {
               videoId: "ZrvHAhQXyyE",
               durationSeconds: 22,
               id: "18",
+              startSeconds: 6,
+              endSeconds: 22,
             },
           ],
         },
@@ -87,6 +97,8 @@ export default {
               videoId: "meNnP_iyjSY",
               durationSeconds: 30,
               id: "59",
+              startSeconds: 6,
+              endSeconds: 30,
             },
           ],
           ura: [
@@ -95,6 +107,8 @@ export default {
               videoId: "2gWlA-rMtic",
               durationSeconds: 31,
               id: "60",
+              startSeconds: 6,
+              endSeconds: 31,
             },
           ],
         },
@@ -105,6 +119,8 @@ export default {
               videoId: "OaKRmnjJdK8",
               durationSeconds: 29,
               id: "61",
+              startSeconds: 6,
+              endSeconds: 29,
             },
           ],
           ura: [
@@ -113,6 +129,8 @@ export default {
               videoId: "f3gHuS8Bp3A",
               durationSeconds: 29,
               id: "62",
+              startSeconds: 6,
+              endSeconds: 29,
             },
           ],
         },
@@ -123,6 +141,8 @@ export default {
               videoId: "X-fctXW0Lmg",
               durationSeconds: 21,
               id: "63",
+              startSeconds: 6,
+              endSeconds: 21,
             },
           ],
           ura: [
@@ -131,6 +151,8 @@ export default {
               videoId: "a-jasPR2So0",
               durationSeconds: 26,
               id: "64",
+              startSeconds: 6,
+              endSeconds: 26,
             },
           ],
         },
@@ -141,6 +163,8 @@ export default {
               videoId: "9HNkdOJmT3k",
               durationSeconds: 28,
               id: "65",
+              startSeconds: 6,
+              endSeconds: 28,
             },
           ],
         },
@@ -151,6 +175,8 @@ export default {
               videoId: "t9aPIPxxdzs",
               durationSeconds: 22,
               id: "227",
+              startSeconds: 2,
+              endSeconds: 22,
             },
           ],
         },
@@ -163,6 +189,8 @@ export default {
               videoId: "i3bgZsdTmyQ",
               durationSeconds: 24,
               id: "51",
+              startSeconds: 6,
+              endSeconds: 24,
             },
           ],
           ura: [
@@ -171,6 +199,8 @@ export default {
               videoId: "dQF5oxxDD30",
               durationSeconds: 24,
               id: "52",
+              startSeconds: 6,
+              endSeconds: 24,
             },
           ],
         },
@@ -181,6 +211,8 @@ export default {
               videoId: "ypXXzb2YHFY",
               durationSeconds: 29,
               id: "53",
+              startSeconds: 6,
+              endSeconds: 29,
             },
           ],
           ura: [
@@ -189,6 +221,8 @@ export default {
               videoId: "6JBCfxORKJQ",
               durationSeconds: 29,
               id: "54",
+              startSeconds: 6,
+              endSeconds: 29,
             },
           ],
         },
@@ -199,6 +233,8 @@ export default {
               videoId: "B5fVD3L47zg",
               durationSeconds: 25,
               id: "150",
+              startSeconds: 6,
+              endSeconds: 25,
             },
           ],
           ura: [
@@ -207,6 +243,8 @@ export default {
               videoId: "sunQhz4qybw",
               durationSeconds: 24,
               id: "151",
+              startSeconds: 6,
+              endSeconds: 24,
             },
           ],
         },
@@ -217,6 +255,8 @@ export default {
               videoId: "Y8Qym8RlPOw",
               durationSeconds: 20,
               id: "152",
+              startSeconds: 2,
+              endSeconds: 20,
             },
           ],
           ura: [
@@ -225,6 +265,8 @@ export default {
               videoId: "cf9NaXqF_Ck",
               durationSeconds: 24,
               id: "153",
+              startSeconds: 6,
+              endSeconds: 24,
             },
           ],
         },
diff --git a/src/utils/resolveYoutubeLinks.ts b/src/utils/resolveYoutubeLinks.ts
new file mode 100644
index 0000000..540dc3f
--- /dev/null
+++ b/src/utils/resolveYoutubeLinks.ts
@@ -0,0 +1,11 @@
+import type { BaseTechnique, YoutubeLink } from "$core/model";
+import aikidoKompendium from "@/data/videopacks/aikido-kompendium";
+
+export function resolveYoutubeLinks(technique: BaseTechnique | null): YoutubeLink[] {
+  if (technique == null) return [];
+
+  return (
+    // @ts-expect-error Partial objects resolve to any, which is not relevant in our case.
+    aikidoKompendium.videos[technique.execution]?.[technique.attack]?.[technique.defence]?.[technique.direction] ?? []
+  );
+}