Everest EZ 1/2-3/4 Violin Shoulder Rest by Everest. $13.96. Everest EZ Model Shoulder Rests. The only ergonomically designed and patented violin shoulder rests that provide the best comfort for all violin and viola players. Different custom color variations available. This standard EVEREST Shoulder Rest is our most popular model fits 1/2 size violin and adjustable to 3/4 size violin.. Save 30%!