The SmallRig HawkLock Quick Release Cage Kit for Sony FX3 / FX30 (4770) is designed to protect the camera while providing numerous accessory mounting points. This modular cage includes a NATO rail and a U-shaped cage. The NATO rail is secured on top with two 1/4""-20 screws and can be removed to accommodate the original XLR top handle. The U-shaped cage is fixed with 1/4""-20 screws on both sides and the bottom, preventing twisting and featuring a cushion to protect against scratches. The hinge arm at the battery door is contoured to the camera's shape, enhancing grip comfort for the little finger.A dedicated HDMI cable clamp is included to protect interfaces and ensure stable signal transmission. The cage incorporates the patented HawkLock quick-release structure, which covers the cold shoe, NATO rail, and Arca-Swiss plate. This system is compatible with HawkLock eco-accessories, such as the Top Handle 4483, Side Handle 4485, and Arca-Swiss Clamp 4486, allowing for smooth sliding and