diff --git a/java/noppes/npcs/api/entity/data/IModelData.java b/java/noppes/npcs/api/entity/data/IModelData.java
index fd05a39..f82fc97 100644
--- a/java/noppes/npcs/api/entity/data/IModelData.java
+++ b/java/noppes/npcs/api/entity/data/IModelData.java
@@ -2,6 +2,10 @@ package noppes.npcs.api.entity.data;
 
 public interface IModelData {
 
+    void hidePart(int part, byte hide);
+
+    int hidden(int part);
+
     void enableRotation(boolean enableRotation);
 
     boolean enableRotation();