This easy to apply TK-4 Tourniquet features a strong woven elastic textile band that provides incredible strength and flexibility. With one steel hook fastened steadfast to both ends of the elastic band, and packaged in a small, vacuum-sealed pouch, TK-4 is ideal for stopping or slowing the loss of blood from a large wound. The tourniquet is ideal as an addition to any bugout bag or for first responders allowing fast stabilizing treatment until help arrives.