QUALITY INSURANCE: Please keep the package for one week when you received this product, in case you may need replacement or return this product. We offer a 1-year WARRANTY with 30 days "No questions asked" guarantee!. EASY AND QUICK START Self Trigger Pointer Massager: ? Instruction Included ? ? Durable Span Life ?For Quick start, easy instruction was included, it was made of strong and durable material with LAB tested strength. ERGONOMIC, INTUITIVE DESIGN: Ergonomically shaped with a curved end that measures 14.5” wide, the self massage hook allows you to easily reach every pressure point. Relieve painful tension in the Very useful for neck, shoulders, back, torso, thigh/hips, legs, and foot pain and stress. With controlled movement for greater effectiveness. EIGHT VERSATILE MASSAGE TRIGGER POINTS: Suitable for myofascial release, trigger point therapy and deep tissue massage, the self massage hook features eight massage knobs. The massage knobs include rounded therapy nodes and therapy spikes for targeting knotted muscles and pressure points. NEW DESIGN Back and Neck Massager Stick: Self masage stick,back scratcher,Guasha Scraping Massage Tool.Release tension, relieve stress and soothe sore, aching muscles with our new self-massage hook. Designed to provide effective self-massage, the new design hook allows you to reach every area of the body while FREELY controlling the amount of pressure, GIVE you personalized massage experience.