Strengthen and bulk up your neck with XTRIM Neck and Head Weight Harness! The XTRIM neck flex/head and neck weight harness helps to stretch and strengthen the muscles of your spine, making it the best neck harness for weight training. Key Features: Excellent-Quality Material: Xtrim's Neck and head Harness is made from premium neoprene and cotton blend that holds your head, neck, and chin in place. With our strap harness, you get premier comfort and stability, while also securing your weights. Strong Fastening System: Our neck workout harness has a strong fastening system and comes with a heavy-duty chain. You can easily load your neck exercise equipment using the chain and carbineer Hooks. Improved Construction: Xtrim’s Dura Neck strengthener is constructed in such a way that the metal rings won’t rub against your ears during workouts. Unlike other neck weightlifting harnesses, it does not scrape or chaff your ears. Comfortable Design: The head strap comes with reinforced stitching, a heavy-duty chain, and four large D-rings. Our unique design puts the D-rings at the sides of your ears and below your chin so you can use our neck trainer in multiple ways for complex exercises. Premium Quality: XTRIM’s Dura Head / Neck Harness is adjustable and padded for your comfort. Double stitching will enable you to use more weight than your neck can handle, and you can easily train your side neck by attaching cable machines to our 4 D-rings. Build Neck Muscle: Mostly used in sports & law enforcement training to get a stronger neck, because neck bone is sensitive if you have strong muscle around it, that makes it way strong.