The ProsourceFit 2-in-1 Spike Massage Roller is the perfect recovery tool to enhance your active lifestyle. It takes muscle therapy to a whole new level with flexible spikes that are also firm for a deep, effective massage to release trigger points. It's perfect for athletes, CrossFit lovers, and bodybuilders to loosen tight muscles and reduce soreness after workouts. The unique twist-apart design allows you to take just one half to the gym, share with someone at home, or carry in luggage while traveling. Perfect for relieving pain in the upper back, glutes, thighs, and calves.