A versatile and robust solution for filmmakers and photographers, the SmallRig HawkLock Quick Release Cage Kit for Sony FX3/FX30 (Model 4770) is meticulously designed to protect your camera while offering extensive accessory mounting options. This modular cage system features a Nato rail and a U-shaped cage, providing a secure and adaptable framework for your Sony FX3 or FX30 camera.The Nato rail is conveniently secured on the top with two 1/4"-20 screws, allowing for easy removal when you need to install the original Xlr top handle. The U-shaped cage is firmly attached using 1/4"-20 screws on both sides and at the bottom, effectively preventing any twisting and ensuring stability. To protect your camera from scratches, a cushion is strategically placed at the bottom. The cage also includes a hinge arm at the battery door, which is contoured to fit the camera's curve, enhancing grip comfort for your little finger.