SmallRig Shoulder Rig Extension Arm Adapter with Arri Rosette (2PCS) 5206 is designed to pair with accessories such as 2837C, 1941B, and 1891B for a comfortable and convenient shoulder shooting setup. The extension arm adapter features built-in Arri rosettes at both ends, ensuring stable attachment to Arri accessories with flexible angle adjustment.Additionally, it offers a one-touch quick length adjustment that can be operated with a single hand. Integrated with 1/4""-20 locating holes, the adapter allows for the attachment of magic arms (Id 3873, 4194, 5141) to mount monitors. It includes cable clips to maintain an organized setup, preventing accidental disconnection or cable damage caused by cable pulling..