Features： 1、Good elasticity of handle, easy to use and not easy to break, suitable for different body parts to use to achieve massage effect. 2、The head is divided into two sides, one side is round ball bead, the other side is a ball needle, integrated design is not easy to fall off. 3、Labor saving to using and can be bent arbitrarily, long service life and having good and comfortable hand feelings. 4、Wood handle design, effective anti?skid, 19 wood massage beads, firm, strong, suitable for back massage. 5、30 Comb massage teeth, light strength, suitable for head, cervical vertebra, shoulder and other parts. Specification： Item Type: Massage Hammer Material: ABS + Composite Wood Applicable People: Spinal discomfort, lumbar pain, back pain, shoulder discomfort, leg massage, insomnia and dreams Size: Approx. 41 x 10cm / 16.1 x 3.9in Contraindication and caution: 1. Serious bleeding prone diseases, such as thrombocytopenia, leukemia, allergic purpura, etc. 2. Abdominal ban during pregnancy and menstrual ban in women. 3. Severe diabetes, skin trauma, or skin inflammation, swelling, exudation and ulceration are prohibited. 4. New fracture, new sprain. 5. Nipple, navel, unexplained mass and malignant tumor sites are forbidden. Package List： 1 x Massage Hammer