A revolutionary way to practice on your drum set and keep those around you happy. Want low-volume practice without sacrificing sound Meet Black Hole, your new best friend. Black Hole snaps on and sounds exactly like your drum set, only quieter. Snap it on, tune to your desired tension, and you re ready to go. Features: Low volume practice with an 80% reduction in volume Sounds exactly like your drum set just quieter! Easily snaps on to your drums no head removal Durable mesh head built for longevity Tunes to your desired tension with a single-point tuning system Available in sizes 10 -24