diff --git a/Resources/Locale/en-US/traits/traits.ftl b/Resources/Locale/en-US/traits/traits.ftl
index 92fa6f74a22..592e8b32bcf 100644
--- a/Resources/Locale/en-US/traits/traits.ftl
+++ b/Resources/Locale/en-US/traits/traits.ftl
@@ -224,8 +224,8 @@ trait-description-Voracious =
     Nothing gets between you and your food.
     Your endless consumption of food and drinks is twice as fast.
 
--terrain-example = [color=gray](e.g. spider web, slime puddle, kudzu, space glue)[/color]
--slippery-example = [color=gray](e.g. banana peel, water puddle, soap, space lube)[/color]
+-terrain-example = [color=gray](e.g. plastic flaps, spider webs, slime puddles, kudzu)[/color]
+-slippery-example = [color=gray](e.g. banana peels, water puddles, soap, space lube)[/color]
 
 trait-name-ParkourTraining = Parkour Training
 trait-description-ParkourTraining =
diff --git a/Resources/Prototypes/Entities/Structures/plastic_flaps.yml b/Resources/Prototypes/Entities/Structures/plastic_flaps.yml
index 5d5ff390bac..0e81ffbac80 100644
--- a/Resources/Prototypes/Entities/Structures/plastic_flaps.yml
+++ b/Resources/Prototypes/Entities/Structures/plastic_flaps.yml
@@ -42,7 +42,10 @@
   - type: StaticPrice
     price: 83
   - type: RequireProjectileTarget
-  
+  - type: SpeedModifierContacts
+    walkSpeedModifier: 0.4
+    sprintSpeedModifier: 0.4
+
 - type: entity
   id: PlasticFlapsClear
   parent: PlasticFlapsBase
@@ -97,6 +100,9 @@
   - type: Airtight
   - type: StaticPrice
     price: 100
+  - type: SpeedModifierContacts
+    walkSpeedModifier: 0.3
+    sprintSpeedModifier: 0.3
 
 - type: entity
   id: PlasticFlapsAirtightOpaque
@@ -116,3 +122,6 @@
   - type: Airtight
   - type: StaticPrice
     price: 100
+  - type: SpeedModifierContacts
+    walkSpeedModifier: 0.25
+    sprintSpeedModifier: 0.25