Practicality: The handle has three cold start openings and the displacement design allows them to be used simultaneously. It can be connected to an external microphone, complement lamp, small screen, etc. for added utility. * Compatibility: Top handle features multiple 1/4" and 3/8" screw holes for multiple compatible grip seats. * Adaptability: The height of the handle cold start connector is 3.2mm, suitable for the cold start interface of most cameras and rabbit cages on the market. * portability: the aluminum alloy handle adopts a hollow design which greatly reduces weight, making shooting easier and less labor. * stability: more ergonomic hexagonal buttons are used at cold shoe handle connection. The hex knob is easier to tighten and remove. The cold boot port is firmly fixed, and the recording process is more stable.