The Neptune Shoulder Rests for Violin and Viola are designed to alleviate strain on the neck and shoulder when playing smaller stringed instruments. The shoulder rests are made from PLA, a sustainable, cornstarch based plastic that is infused with real wood fibers to produce a modern twist for comfort on these classic instruments. Each shoulder reset comes complete with high quality mounting forks and replaceable foam padding to provide comfort and durability. Available for both Violin and Viola in three different colors to provide a perfect interface between player and instrument.