Blackroll Trigger Point Balls (8cm and 12cm)Trigger points & myofascial release The BLACKROLL BALL helps with trigger point self massage of all parts of the body Ideal for addressing individual back muscles and areas Can be used on the table, on the floor, or against the wall Ideal for point by point self massage and myofascial release The BLACKROLL BALL is the perfect complement for the BLACKROLL foam roller. It's just what you need for point by point self massage of different areas of the