Yamuna Body Rolling Save Your Shoulders Kit Release muscle tension in the neck and shoulders! helps your body by releasing muscle discomfort Perfect for specific muscle release. Focus on your tight shoulders and neck, and useful for other areas of the body The black balls are smallest rolling balls in the Yamuna line, making them ideal for travel or Use at home Kit contains: Yamuna black balls (pair), Yamuna gold ball, Yamuna pump, and save your shoulders DVD Developed by Yamuna Zake, a master teacher of body sustainability. Guaranteed with Our No Hassles Free Returns