STRING TAMERNew by Norway Industries the makers of Duravanes is the StringTamer rear mount dampening system. Easily mounts to your bow with a 1/4" allen wrench. Shaft adjusts to your cable using a 5/16" allen wrench. The "String Tamer" stops the forward motion of the bow string, which allows the string to stop at it's natural resting point. The "stopper" that connects with your string is a blend of materials making it durable yet impervious to temperature change; extremely hot or cold; it will perform as deigned. Package includes enough serving material to serve the string where it meets the StringTamer to help reduce the chance of wear. The "String Tamer" will quiet your shot, improve your accuracy, reduce hand shock and reduce string slap.Because brace heights vary between bows, the String Tamer will not fit all bows.bow must also be drilled in tapped in the back of the riser to mount the String Tamer Measure the distance between the rear stabilizer hole and the string, if the measurement falls within 5 3/4" - 8" the String Tamer will fit your bow.