Product Features: 1. Cross taping structure: Cross support for the joints from the thumb to the wrist, suppressing and stabilizing the thumb bending. 2. Detachable and Elastic Belt: You can roll it up to your desired strength according to the base of your thumb or wrist, and it is removable so you can remove it when you do not need it. 3. Left and Right Hand: It can be used for both left and right hands, so there is no need to replace it with right or left hand.