This item was used only once by my family. Everything in the photos is included. I don't know much about how to use it, so please understand based on the photos and the product description below. Everything in the photos is included. [Reference] https://amzn.asia/d/7nRIptx Brand: VKESEN Compatible Devices: Camera Compatible Phone Models: Camera, Sports Camera Mounting Type: Handle Features: Durable Material: Aluminum [Wide Range of Uses] The super camera clip helps you attach cameras and accessories to poles, tables, bicycles, bicycle handlebars, etc., to record your favorite moments. [Multi-functional] The maximum width of the clip is 6cm, and it can attach accessories to bars, plates, round tubes, tables, bike/bicycle handlebars, tripods, stabilizers, etc. with a diameter of 21-60mm. [High Stability] Made of aircraft-grade aluminum alloy and stainless steel, it has high strength and durability. Built-in non-slip pads on the clamp protect camera accessories and improve the stability of the clamp. Maximum load capacity is 3.5kg, compatible with most camera accessories. [Standard 1/4" and 3/8" Connections] The super clamp is designed with 1/4" and 3/8" screw holes, supporting a wide range of shooting equipment including video field monitors, flashes, microphones, and LED brighteners, and adding other accessories. [Compatibility] The 1/4" thread of the clamp mount helps connect small cameras, monitors, LED video lights, microphones, flash, plug phone holders, etc. With a sports camera adapter, it is compatible with sports cameras such as GoPro, Akaso, Insta360, DJI, XIAOYI, and WOLFANG.