Made from a "space age" composite material and easy to mount on your instrument. Wittner chin rests guarantee the ultimate in comfort for the violinist. Plus, they're allergy tested so you can be sure they'll be easy on your skin! The Wittner Space Age chinrest is a great solution for players who find side chinrests uncomfortable. It is made of light space-age composite hypoallergenic material and can be attached to the violin easily with the screwdriver included. The feet are cork lined so it won’t damage your instrument.