Targeting critical trigger points in your back and shoulders, Doctor Trigger's Trigger Point Rocker is a finely crafted instrument that helps release muscular knots, tension, and stress. Designed by Dr. Aaron Fu, DPT, this especially designed tool provides quick comfort and long-term benefits by simulating the forceful, focused pressure of a professional massage therapist. Perfect for daily usage, the Trigger Point Rocker® may be used to restore functional mobility, correct posture, and relax overused muscles while laying down.