diff --git a/src/components/three/XRGrabbable.tsx b/src/components/three/XRGrabbable.tsx
index 2c10a61..e72cf7a 100644
--- a/src/components/three/XRGrabbable.tsx
+++ b/src/components/three/XRGrabbable.tsx
@@ -6,6 +6,8 @@ import { useControllerGrab, ControllerGrabSnapshot } from '@/hooks/useController
 interface XRGrabbableProps {
   /** Allow uniform scaling via two-hand grab (distance between hands) */
   allowScale?: boolean;
+  /** When true, the active model is locked — grab is ignored entirely */
+  lockedActive?: boolean;
   /** Called the first time the user grabs (e.g. to exit placement mode) */
   onGrabStart?: () => void;
   children: ReactNode;