Leather & Nylon Web strap helps relieve finger strain by moving more of the instrument's weight from your little finger to the back of the left hand. Also helps keep the horn from sliding from your hand. Attaches to the horn where your left hand normallylies with the use of two velcro straps. A leather pad on the underside of the Fhrap prevents any damage to horn's finish. The Fhrap is fully adjustable to fit any size hand or instrument. Particularly helpful for younger players or those with smaller hands. -cdp