Bass drum O's fit around the sound hole on the bass drum resonant head (if you do not have a pre-cut head, you can cut your own easily using this product with out slicing the head), thus reinforcing it, and... [more]
Holz fit around the sound hole on the bass drum resonant head (if you do not have a pre-cut head, you can cut your own easily using this product with out slicing the head), thus reinforcing it, and keeping it from splitting. Looks great & reduces unwanted bass drum overtones.
Drum Accessories 
