The SmallRig QR Half Cage for Black Magic Pocket Cinema Camera 4K is a protective frame that allows you to mount accessories onto your Blackmagic Design Pocket Cinema Camera 4K. Built into the top and sides of the cage, are one cold shoe, several NATO rails, multiple 1/4"-20, 3/8"-16, and ARRI-style accessory threads. This makes it easy to access to the camera's controls, compartments, and connectors while the cage is fitted to the camera. The cage incorporates locating pins and rubber pads for a secure fit on your Black Magic Pocket Cinema Camera 4K.