Bandaging logic in VR by using wrap motion

Hi, I’m trying to set up a system much like TWD: Saints and Sinners for bandaging where the motion of wrapping your hand while holding a bandage around your armo loads a bar and completing the motion a few times bandages it, however I have no idea where to even begin making the game detect that I’m doing the motion over the arm.
This is the way I made it work currently but I didn’t set up an actual way for it to detect the motion.