The DrumClip: External Drum Ring Control, Damper / Dampner (Small) Removes unwanted frequencies, retaining the desired attack, resonance, and feel of your drums Rounds out and flattens the drumhead's sound and allows for easier tuning of any size drum Excessive overtones can now be controlled or eliminated with precision when applied to the drumhead Made from a durable plastic and rubber compound Can be used on the batter head or the resonant headwall without falling off or losing its grip on your drum