Thumper Sport Personal MassagerThumper Sport Personal Massager The Thumper Sport Personal Massager is a conveniently priced, portable, feel good" massager, designed specifically for home use. This unit was developed with active individuals in mind, who need to relax their muscles after exercise and for those who don't get enough exercise and need to improve circulation in their bodies. This unit is ergonomically designed for easy self use and comes with two sets of massage spheres