Rotatable Quick Release Side Handle for Quick Release Phone Cages, Aluminum Phone Cage Handle Grip with Infinite Rotation, Quick Release Adapter and Built-In Cold Shoe - 4403B. One-Second Disassembly and Assembly: The quick-release adapter of the handle can be quickly connected to all SmallRig SmallRig H11 universal & dedicated quick release cages for smartphones( SMALLRIG Cage for iPhone 17 / 16 / 15 Series; for Samsung Galaxy S24 Ultra 4601 and Universal cage 4299B and so on), allowing you to start shooting smoothly.
eBay