Trigger Point Massage Ball Set Use the Trigger Point Massage Ball Set from Yoga Mad for 3 different hardness levels to focus on acupressure massage and trigger point release. Start with the softest, least aggressive ball and work through levels of suitable hardness when you position each ball on the point to be massaged. For the lower back or glutes, start in a sitting  position; for calf muscles or thighs try either sitting or lying on the floor and gently roll around on the ball. For shoulders and upper back, place the ball between your back and a wall. For the neck, roll the ball around between your neck and open palm. Use in conjunction with a foam roll for enhanced at-home massage. Set of 3 massage balls in 3 different hardness types for acupressure massage and trigger point release Choose a suitable ball strength and position on the massage point Suitable for calfs, thighs, shoulders, back, neck and more Ball hardness level: grey - hard / green - medium / blue - soft Diameter: 6cm