The cage secures to the camera via a 1/4"-20 screw and each side features a M2 thread for further secure to prevent twisting. Featuring multiple 1/4"-20, 3/8"-16 and ARRI 3/8"-16 accessory threads for accessories. You can also attach the dedicated HDMI & USB Cable Clamp BSC2809 to the left side to protect your cables. The cage integrates with a cold shoe on the top for microphone and light, and features a NATO rail on the left side for SmallRig NATO Handle 2187. A flat head screwdriver with allen wrench is included to secure the camera screw and stores on the bottom of the cage. Additionally, the cage features strap slot on each side for carry strap. Optional SmallRig Rod Clamp 1943 provides 15mm LWS rod support for mounting camera accessories such as a lens support, follow focus system, matte box, or zoom motor.