Thumb Thang is a hands-free, multi-tasking, percussive accessory, a shaker like no other! Engineered to be non-weight bearing on your fingers with a sleek design that does not impede one's mobility or dexterity. Three separate chambers help maintain the balance. Innovative glass beads give Thumb Thang its unique sound. All this thought, design, engineering and passion have created a truly one of a kind piece of percussion.