Crab Clamp. Add extra support and angle control for stable third-person motorcycle camera shots with your Insta360 setup. Tech Specs: In the box: One (1x) Insta360 Crab Clamp. Adds extra support for more stable third-person motorcycle camera shots. Adjustable double ball head design provides flexible camera angle positioning. Strong aluminum alloy construction supports a secure and reliable mounting setup. Anti-slip design helps keep the clamp securely positioned during rides.