PSR SHOULDER RESTS

1. NEW AND IMPROVED ERGONOMICALLY CONTOURED FOAM 
2. WILL NOT FALL OFF
3. GRIPS THE BACK OF YOUR INSTRUMENT
4. FITS IN ANY SIZE CASE!
5. PATENT DESIGN CURVE
6. ATTACHES CORRECTLY IN SECONDS 
7. WILL NOT SCRATCH YOUR INSTRUMENT
8. NO SCREWS OR CLAMPS TO ADJUST