The Wittner Augsburg Chin Rest for violin is an anti-allergenic chin rest which is height and tilt adjustable. It is centrally mounted, anatomically designed and very easy to secure to your instrument using a screw driver. If you are experiencing discomfort with your current chin rest, then this is a great alternative, offering plenty of flexibility. The Augsberg chin rest is available in the following sizes: 1/4-1/2, 3/4 and 4/4.