The thumb ring, the thumb cap, and the wrist band are made into one to prevent the baby from taking off the corrector easily. With minimal surface touching the skin, skin irritations and troubles are avoided. It can be washed with water and boiled in water for disinfection. It can be worn on both left and right thumbs. The ergonomic design minimizes the limitations in movement of the hand, allowing comfortable use. To reduce the stress of wearing the product, it has the animated character on it to act also as an amusing finger toy.