Body-Solid Tools Nylon Head Harness (MA307N) Neck-strengthening accessory ideal for athletes in contact sports Helps condition and build neck, upper back, and chest muscles Constructed of durable, high-quality materials with extra-heavy D-rings and a steel chain Neoprene padding helps absorb shock and prevents cuts, chafing, and abrasion Can be attached to free weights or high/low pulley machines (sold separately)