Head Harness Belt made by Vigor Vibe are recommended for all athletes and specifically designed for those in contact sports. Head harnesses condition the neck and upper back muscles. Furthermore features include the finest quality materials, extra-heavy D rings and steel chain. Completely padded with high density neoprene to absorb shock and prevent cuts, chafing and abrasion. Velcro fasting makes it suitable for all head sizes. Fully tested and recommended by personal trainers while Use them with free weights or hook them to a high or low pulley on a machine. Buy with confidence with full money back guarantee.