Our most popular Body Back Buddy Trigger Point Massager design reflects years of feedback from massage therapists, chiropractors and physical therapists. It combines the best of the Body Back Buddy Trigger Point Massager features for those who want the ultimate self-massage tool. With 11 therapy knobs, the Body Back Buddy Trigger Point Massager stimulates in between muscles and pinpoints trigger points for a more fine-tuned treatment. Engineered to be lightweight, strong and easy to use. Overall length is 25. Comes with a free 12-page instruction booklet.