Often imitated, never duplicated, the Super Kick line of bass drumheads is an industry best seller and a favorite among those drummers, drum techs and recording engineers who want a musical,controlled bass drum sound without the use of blankets, pillows or external muffling.The patented "Floating Muffling System" uses a narrow band of acoustic felt for a pre-dampened, yet natural sound. The felt moves and "breathes" with the drum head while eliminating unwanted hi-end frequencies and boosting low-end punch. A clear, two ply bass drum head. This two ply Super-Kick version provides extra durability and a more focused sound.