This Metal Cage from Ulanzi is specifically crafted and form-fitted for the Insta360 ONE X3. The one-piece design features manual locking via a built-in knob, a cold shoe, and multiple 1/4"-20 threaded holes for mounting accessories. Constructed from aluminum alloy and augmented with silicone, the cage also has a rubber gasket for enhanced protection, and it comes with a silicone lens cover and a storage bag.