INTUITIVE ERGONOMIC ROLLER DESIGN: New design with 3 steel roller ball massagers for foot reflexology and back and shoulder massage. Our Self trigger point massager features 11 knobs including 3 different knobs for varying pressure. SELF MASSAGE HARD TO REACH AREAS: Massager knobs allow you to approach each muscle from many angles in creative ways and effectively reduce muscle stress, tension, myofascial release, and trigger point therapy. DURABLE & PORTABLE MASSAGER: Guaranteed against breakage.The trigger point massager is made of high quality reinforced polyethylene plastic, so it?s very durable and able to withstand high pressure. SAFE & EASY TO USE: It is made with eco-friendly components that are BPA, PBDE, TBBPA free so it is safe to use on the skin. Manufactured to the highest standards the smooth contours of the stick feel comfortable in your hands and glide easily on your muscles SATISFACTION GUARANTEE: Our Trigger Point Back Massager Includes a 1 Year WARRANTY With Our 30 Day "No Questions Asked" Money Back/Replacement Guarantee Place the massager over your shoulder or laterally around your upper body or apply to your feet or legs as needed. Ensure that the knob is touching the affected and sore area. Use your upper hand to guide the massager to the trigger point . Vary the pressure's intensity and the angle you are holding the massage stick with your lower hand,so that you can use the massage stick completed suited to your personal needs Its versatility allows your to approach each muscle from many angles in creative ways.