1The stainless steel wire spring of the finger trainer can be adjusted freely, which can solve the problem of bending and unstraightening of fingers, finger injury, and finger sprain. 2Made of stainless steel wire spring, stainless steel sheet and soft EVA liner, it is convenient and comfortable to wear. 3After wearing, rely on the elastic force of the spring to straighten and fix the fingers. At the same time, the fingers can be bent strongly and can overcome the spring force for rehabilitation training. 4Sponge lining, absorb sweat, breathable, protect the fingers from being scratched by stainless steel. 5The steel wire spring bends freely and automatically returns to its position. It is lightweight, easy to wear, not easy to fall off, and no burden on fingers.