SMALLRIG QR Cheese Handle 1720 is a quick release top handle that attaches and detaches with a wingnut screw. Slide it onto the Safety Rail and tighten down the wingnut, you can lock it in place. Except for sliding it left and right on the Rail to balance the camera’s center of gravity, you can also slide forward and backward to find the balance position of your rig. The side facing mounting hole is specially designed for attaching 15mm single rods, so that you can attach your focus motors, etc. The sideways 15mm rod clamp allows for attachment of EVF mount or microphone shock mount, etc. An integrated shoe mount on the top for attaching on camera lights, microphone shock mounts, etc. Another integrated shoe mount at the end of the handle for attaching EVF arms, etc. 1/4''-20 and 3/8''-16 holes on grip area for attaching additional accessories, meanwhile, the exquisitely grooved finish with an array of mounting points offers you a comfort grip. You can attach SmallRig 15mm rod clamp 1078 or 942 to the handle with the front 1/4'' mounting holes. The handle is ideal for low-mode shooting and easy transport of your camera.