Prodigy, Prodigy Red, Prodigy Blue, and Prodigy Pink Violin and Viola Shoulder Rests for 3/4 and full sized violins and violas. 

The Greatest Advance in Violin shoulder rests in 78 years

AcoustaGrip gives you the securest grip of any shoulder rest without discomfort and rigidity, allowing you the freedom to move and adjust. Long practice sessions can be a joy. You can focus all of your attention on honing your technique and playing more expressively. No more constant physical pain that all too often accompanies playing with a hard, rigid shoulder rest.