4 head massage tool This 4-way massager is a self-massage tool that is used to eliminate deep-rooted knots and trigger points. Ideal for use on the neck, shoulders and back. Also recommended for thighs and lower legs. .Larger and Smaller Buttons The larger button provides a soothing massage of trigger points to release deep muscle tension. The small button offers a more specific intense massage of the points to stimulate and soothe the affected area. .Easy to use The massage oils can be used as a handy massage aid that is easy to clean with soap and water. .Pain Relife Compact, handy massage therapy tool helps relieve muscle stress and tension by disabling painful trigger points. .Easy to grip Its ergonomic design makes it easy for anyone to use, be it for personal use or professionals. It's easy to hold and soothe tense muscles.