Don"t risk losing your GoPro© camera in the water or on a bike ride! Adhesive, magnetic, clamp mounts or "slippery hands" can fail and your camera can fall over, never to be found again! Instructions EelVision"s GoSafe is attachable to the thumb screw included with all GoPro© camera housings. The loop goes around the screw side and is perfectly sized so it doesn"t come out on the thumb side. The GoSafe can also be used as a wrist strap simply by running the thumb screw through both loops. Two or more units can be linked together to extend its length. What"s included? Includes 1 (one) unit 12" long (30.5 cm), double-looped, 1/16" thickness stainless steel tether cord, compatible with all GoPro HERO, HERO3 and HERO3+ cameras. Attaches to the standard thumb screw.