Remo HK-MUFF-20 20-inch damper system for bass drumhead

From now on, there is no need to sacrifice your old blanket in your drum kit. This MK-MUFF-20 damping system for a 20-inch bass drum easily mounts into your bass drum. It attenuates overtones and the overall sound. The material provides a better distribution of the damping force than you will get with, say, a blanket.