Leather foot binders for suspension play. Heavy duty leather ankle restraints capable of suspension over a boot via doulble D rings. Please note that suspension should be practiced with the utmost care, safety and caution. Fully adjustable Measurements: Calf Strap: 12.5 - 15.5 inches in circumference; Ankle Strap: 9 - 15 inches in circumference; Boot Strap: 15.5 - 18.25 inches in circumference.