Evans EQ Pad Bass Drum Damper Limited EditionDAMPENS SOUND Hinged pad bounces off the head, allowing sustain before returning to dampen the vibrating head ATTACHES TO BASS DRUM SHELL Attaches to bass drum shell with velcro LARGE OR SMALL DRUMS Smaller pad on opposite end that can be used on smaller drums or for minimal damping DRUM MICS Works well with close drum microphones EVANS DRUM ACCESSORIES All Evans accessories are designed, engineered and manufactured to the most stringent quality