diff --git a/src/components/three/XRGrabbable.tsx b/src/components/three/XRGrabbable.tsx
index e72cf7a..03ace6e 100644
--- a/src/components/three/XRGrabbable.tsx
+++ b/src/components/three/XRGrabbable.tsx
@@ -47,7 +47,7 @@ const _tmpQuat = new THREE.Quaternion();
  * On release the group keeps its last pose (we don't write to the store —
  * the manual fine-tuning sliders remain available as additional offsets).
  */
-export function XRGrabbable({ allowScale = false, onGrabStart, children }: XRGrabbableProps) {
+export function XRGrabbable({ allowScale = false, lockedActive = false, onGrabStart, children }: XRGrabbableProps) {
   const groupRef = useRef<THREE.Group>(null);
   const grab = useControllerGrab();
 
@@ -63,6 +63,14 @@ export function XRGrabbable({ allowScale = false, onGrabStart, children }: XRGra
     const L = snap.left;
     const R = snap.right;
 
+    // Locked: ignore all grab input — release any in-progress grabs and bail.
+    if (lockedActive) {
+      if (single.current) single.current = null;
+      if (dual.current) dual.current = null;
+      if (haloRef.current) haloRef.current.visible = false;
+      return;
+    }
+
     const lActive = L.isGrabbing && L.hasPose;
     const rActive = R.isGrabbing && R.hasPose;