Unlike violin and viola players, who place their instruments on their shoulders while playing, the a double bass player uses the floor to support the bass through its endpin - the extensible rod at the bottom of the instrument. Endpins have a tendency of sliding, causing the bass to fly out of the players hands. Some endpins tips are very sharp to prevent such slips but may cause damage to the floor they come in contact with. Bass Endpin Rests or stops are essential accessories to prevent such slips and at the same time prevent scratches and other damage to the floor.