RDX Head Harness Weight Lifting Gym Neck Builder with Steel Chain - Neoprene Padded D Hook Attachment Cable Machine - Great for Strength Training and Weightlifting Handcrafted using exclusive NEO-1 that provides resiliency and a long-life Tri-slab triple layer padding for multi-directional shock resistance and comfort against pressure Lined with cordura nylon fabric and padded with soft polyester shearing for comfort and cushioning High grade HG-Steel with D-shackles is strong and attachable to any weight Quick-EZ hook and loop for adjustable and a secure fit around the head