1. The HD MI protection clamp design on the left side of the SLR machine prevents the HD MI socket from being torn. 2. There are 1/4, 3/8, 1/2 and 10-24 screw holes on both sides of the rabbit cage and the upper top plate, and a stainless steel threaded sheath is added, which is durable. 3. The dovetail card slot design of the upper handle is convenient for disassembly and assembly without tools. 4. With quick-release plate, it is convenient to disassemble and assemble the machine; with dovetail bottom plate, the front and rear center of gravity of the kit can be adjusted. 5. This SLR rabbit cage is suitable for Canon 5D series models, but also for Nikon D800/D810/D850 models; Nikon Z6/Z7 models; Most SLR machines such as Panasonic GH5 series, Panasonic S1 models; Sony A7 series models.