diff --git a/Resources/Prototypes/Entities/Clothing/OuterClothing/base_clothingouter.yml b/Resources/Prototypes/Entities/Clothing/OuterClothing/base_clothingouter.yml
index 1c24a95d7f7..0e2c11aebb0 100644
--- a/Resources/Prototypes/Entities/Clothing/OuterClothing/base_clothingouter.yml
+++ b/Resources/Prototypes/Entities/Clothing/OuterClothing/base_clothingouter.yml
@@ -154,6 +154,7 @@
     slots: OUTERCLOTHING
   - type: HideLayerClothing
     slots:
+    - RArmExtension # Delta V - Added for the hideable Harpy Wings
     - Tail
   - type: CosmicTransmutable # DeltaV
     transmutesTo: ClothingOuterHardsuitCosmicCult
diff --git a/Resources/Prototypes/_DV/Body/Species/harpy.yml b/Resources/Prototypes/_DV/Body/Species/harpy.yml
index 4990748db5a..438f092c698 100644
--- a/Resources/Prototypes/_DV/Body/Species/harpy.yml
+++ b/Resources/Prototypes/_DV/Body/Species/harpy.yml
@@ -200,6 +200,10 @@
 - type: entity
   parent: [ OrganBaseTorsoSexed, OrganBaseTorso, OrganHarpyExternal ]
   id: OrganHarpyTorso
+  components:
+  - type: VisualOrganMarkings
+    hideableLayers:
+    - enum.HumanoidVisualLayers.Tail
 
 - type: entity
   parent: [ OrganHarpyTorso ]
@@ -238,6 +242,8 @@
   id: OrganHarpyArmRight
   components:
   - type: VisualOrganMarkings
+    hideableLayers:
+    - enum.HumanoidVisualLayers.RArmExtension
     markingData:
       layers:
       - RArmExtension