SL Leather Neck-Wrist Restraint The Strict Leather Leather Neck to Wrist Restraint is an affordable"," effective bondage device. It forces the wearer in a more rigid position than traditional behind the back restraints. It is adjustable by means of rolling buckles. Collar fits necks 14-20 inches in circumference. Wrist cuffs are designed to fit all sizes. Click Here To Order