Massage ball: Grab yourself a massage ball. How to use: Simply roll the ball around the area in need of relief. Alternatively, in the case of tight back muscles, place the ball between your back and a wall and move from side to side, or up and down. Relief: This massage ball is great for getting deep into your muscles such as shoulders, hamstrings, glutes etc. to target trigger points which may be causing you discomfort. Type options: Choose from either a smooth or spiky massage ball option. Set options: Choose from a single massage ball or a set of 3 massage balls. Massage Ball | Living Social