Feel the Beat Better Find the place that works best for you to feel the beat. For All Musicians Works for all musicians, no matter the instruments. Designed for Functionality Put it on with ease using the patented Easy Tape Fastener. Adjustable Works for any body-size from large to small. Performance Quality Made with Athletic Webbing. Durable and lightweight. Show it, Hide it Wear it above or beneath your clothes. Requires SoundBrenner Pulse , sold separately.