The FitRx Hot & Cold Massage Therapy Kit is a simple, yet effective muscle relief tool set that’s perfect for your feet, legs, hips, glutes, and back. This versatile, portable massage kit can be used with different temperatures and massage techniques for quick and easy relief. Just warm up for a few minutes before each massage session, do each movement for about a minute (1–3 sets) for an equal amount of time on each side of the body, and you’re good to go!