Sportsheets new Edge line Leather Ankle Restraints features: cowhide leather. Nickel free metal. Handcrafted in the USA. Adjustable to fit arms or thighs. Adjusts from 11 inches to 19 inches. Buckle closure. Removable metal tether. Comfort lined. Can be used as a collar. Includes: two leather arm or thigh restraints and metal tether. Materials: Cowhide Leather, Nickel Plated Hardware, Nickel Free Hardware, Polyester Fabric, Polyurethane Foam. Please note this item comes bulk without retail packaging. Sportsheets redefining S&M. Limited Lifetime Warranty, Sportsheets will replace any defective product. If the product is not available, Sportsheets will replace it with a similar product of similar function. Video. 2021.