The ChoroGrip Ring Adapter will hold unpunched sheet music, scores, booklets and folded sheets in the same ring binder with punched materials. Place the Ring Adapter on the binder rings and close them. Simply lift one strand of the elastic band and pass the music or book beneath it to the centerfold. It will conveniently hold up to six scores, octavos or booklets. Each pack contains 3 adapters.