A wrist brace is a supportive garment worn around the wrist to reinforce and protect it against strains and sprains during strong use, or as a splint to help healing.Wrist braces are common accessories in injury rehabilitation processes involving the wrist.They immobilize the joint and provide heat and compression to the wrist bones and ligaments. Currently, they are made with a rigid tissue nylon fabrics or neoprene that allows limited mobility of the hand and wrist and are usually fixed with Velcro, some times with extensions to ensure they cover part of the hand adhering around thumb. In severe cases, they incorporate metal "spines" to better immobilize the joint.