Otto Musica Artino Pin Stopper For cello / double bass Dark color, short Artino Pin Stopper For cello / double bass Dark color, short Made of two pieces of nicely finished walnut or maple (you choose) attached to an adjustable nylon strap, the non-skid stopper fits either an end pin with a rubber or sharp tip and can be secured by the chair leg Cellists can play with confidence that their endpin will not slip Made of two pieces of nicely finished walnut or maple (you choose) attached to an adjustable nylon strap, the non-skid stopper fits either an end pin with a rubber or sharp tip and can be secured by the chair leg Cellists can play with confidence that their endpin will not slip