Bullet Points: 1Unique Triple Shoulder Strap Design: Our Headband for Weight Training has a padded and adjustable shoulder strap structure that can be used on the head, forehead and chin. 2Additional D-Rings: Our Neck Trainer has double addition D-rings on both sides of your ears and under your chin to support you in complex exercises, such as a weight-bearing horizontal neck stretch. 3Increase Neck Strength: The Neck Exerciser is an important training way for MMA fighters, bodybuilders, weightlifters, boxers, taekwondo athletes and other athletes who want to strengthen the neck and upper back muscles. It is also an important tool for neck injury recovery. 4Secure Neck Training Traps: our Neck Training Traps are equipped with chains to hold the weight in place and D-rings to hold the weight in the middle, ensuring safety and stability and preventing injuries during training. 5Warm Notice: Exercise your head and neck step by step, and you must not use heavy dumbbells at the beginning. If you find that the dumbbells are too heavy, please replace them with lighter dumbbells. Dont insist on the challenge. Our neck strengthener is constructed so that the metal ring will not rub your ears during exercise. Unlike other neck weight lifting slings, it will not scratch or bruise your ears. Our sports neck strengthening equipment will also help you strengthen and plump your neck.With our belted head and neck harness, you can get first-class comfort and stability while also protecting your weight. Must have fitness tools for progressive neck training, pay attention to slowly increase the weight.Durable and wear-resistant. Material: iron + nylon belt Size: free size, adjustable size Packing List: Head Harness Neck Strap*1