RUIGPRO Crab Clamp Action Camera Bracket Dual-Head Crab 3-Stage Selfie StickCrab Clamps Mount: 1. The strong clamp is made of high quality plastic, and the bracket link rod is made of aluminum alloy, which is durable; 2. Modular design, easy to install and disassemble; 3. The double headed clamp supports handlebars, crossbars, selfie sticks, etc. with a diameter of 22 38mm; 4. The universal ball head design of the bracket can rotate 360 degrees and adjust various angles; 5. It is mainly used to strengthen the selfie stick for