SmallRig Full Camera Cage for Sony Alpha 7 IV/Alpha 7 S III/Alpha 1/Alpha 7R IV 3667 is designed to provide accessory mounts and protect the camera. Two locking side plates are included, together with one 1/4"-20 screw at the bottom, to lock the camera and prevent deflection. SmallRig Hand Strap PAC2456 can effectively protect the safety of your camera and enhance the shooting stability to a certain extent when using a camera cage or an external side handgrip for handheld shooting.
eBay