Designed for physical therapy, gets rid of knots for myofascial release & trigger point therapy, increase blood circulation, aid rehabilitation, reduces soreness, stiffness & painGreat for neck, shoulders, arms, legs, upper back, lower back, buttocks, thighs, hamstrings, quads, calves, shins, feet, shin splints, cellulite and more.It's a best birthday, Thanksgiving or Christmas holiday gift for your love ones. Made from high-quality industrial strength materials, with thermoplastic rubber and polypropylene handles for an ergonomic grip and 9 ABS independent rollers on a steel rod core, eco-friendly and durable.