SmallRig Cage Kit with Top Handle for Sony Alpha 7S III 3009 is designed to provide mounting points and reduce arm fatigue when handheld shooting. The kit includes a cage, a HDMI cable clamp, NATO rail and a top handle. The kit provides multiple 1/4''-20 threaded holes that allow mounting a wide range of accessories like Monitor Mount 2294 and Side Handle 2093; comes with cold shoe mount on the cage and handle which supports microphones, LED lights or Monitor Mount 2905; The integrates ARRI 3/8" -16 locating holes fits Magic Arm 2115 and Monitor Mount 2903; the left side features a NATO rail allows for mounting accessories with NATO clamp and enables quick assembly and disassembly. The HDMI cable clamp is attached to the left side of the cage via a 1/4''-20 screw and two locating pins to prevent twists; it can be fixed by a thumb screw to protect HDMI port and ensure stable signal transmission. Besides, A flat head screwdriver with Allen wrench is included to secure the camera screw and stores on the bottom of the cage.