Feature: 1. Super elastic massage surface, rubber massage surface is more comfortable. 2. The massage pin covers many acupoints. For the acupoints, multi‑dimensional hammering covers them. 3. The grip rod that will not break is made of super elastic steel sheet and with high elasticity. 4. The tail is designed with a rotating screw, and the back scratcher can be disassembled freely. 5. Dredge channels and collaterals, promote blood circulation, regulate liver function, enhance disease resistance. Specification: Condition: 100% Brand New Item Type: Back Massage Hammer Material: Plastic Functions: Dredge channels and collaterals, promote blood circulation, adjust liver function, enhance disease resistance Applicable Parts: Rubber Massage Tooth Surface: Suitable for body part can withstand heavy force Small Particle Pin Surface: Arranged on the high and low level, suitable for body part can withstand light force Elastic Steel Piece Grip Rod: The grip rod plays a rebound role in hammering, making massage more comfortable.. Package List: 1 x Massage Hammer1 x Back Scratcher