Thumb splint: This thumb splint has a flat shape aluminum splint, carefully designed according to the physiological curve of the thumb. Light and thin, not easy to deform and break. It wraps and perfectly supports the joints of the first wrist (CMC) and the base of the thumb, providing good stability and greater joint flexibility. Airplane-shaped aluminum support: the most Most important of this thumb rest is the internal aluminum support in the shape of an airplane. This was designed by developers after many improvements based on thumb ergonomics. The sides of the aluminum stand resemble the wings of an airplane, but are curved to fit the back of the palm and thumb saddle. The aluminum bracket is overall s-shaped, ideal for thumb, pastern and wrist shape. Better Pain Relief and Injury Support: This thumb splint provides comfortable protection and moderate support for weak, sore or sore thumbs. Relieves Pain, Arthritis, Tendonitis, Sprains, Strains, Soft Tissue Injuries, Ligament Pulls, Carpal Tunnel and Thumb Triggers. It is also ideal for people who have thumb joint pain caused by long-term use of a mobile phone or game console. [Comfort Material] Its fabric is made of of three layers filled with soft material in the middle, and the inner fabric is made of fabric with soft skin to make your skin comfortable. Its two-layer fabric has many small holes for ventilation. Washable and reusable, it's perfect for sleeping, doing chores, playing games and working.