Clearsonic MEATBALL-4PK Portable Bass Traps - 4 PackWe admit it.. we couldn't think of a name that describes how awesome this portable bass trap is to use. We took a vote and ended up with "The Meatball." This beefy bass trap is designed to absorb copious amounts of bass coming from your bass drum. We designed it to nest within our IsoPacs, drum shields and to work in the corner of your room or studio. Designed to be placed wherever you need additional low end absorption but don't want it to be