W.H.O. (Full Cock-up) splint is used to immobilize hand and wrist at injured or fractured area. It is used as post traumatic rehabilitation aid to get the injured hand back in shape. It holds the wrist and MP joints (large knuckles) of the fingers straight to reduce stress on muscles and tendons, making it a great night splint for arthritis sufferers. Flexible padded stays protect the fingers to lessen the damaging effects of arthritis and certain neurological impairments, The wrist and the metacarpal joints are supported in a neutral position,. Suitable for skin contact, does not absorb perspiration,