1. The belt length is 75 cm, the belt width is 5 cm, and the chain diameter is 0.5 cm 2. Adopt soft cushion and adjustable strap design, can enhance the comfort of the head, forehead and chin 3. Double buckle, heavy-duty steel chain and D-ring can reduce pressure and wear 4. Boxers, Taekwondo athletes, football players and fighters use training straps to improve neck strength 5. Can prevent injuries and reduce pain. Stretch and strengthen the muscles of the spine 6. Neck training can easily correct the poor arrangement of the neck 7. The stronger the neck, the faster the strength of the upper limbs increases
