Add a spark of excitement to your play time. Customizable Hogtie Restraint from NS Novelties. Designed for extended use. Compatible with Sinful and Sinful Black Wrist and Ankle Cuffs (sold separately). Made of vinyl. neoprene and nickel-free hardware. The latest addition to our top selling Sinful bondage line is presented. This Hogtie. allows you to attach wrist cuffs and ankle cuffs behind your lovers back. Made of easy to clean vinyl and sporting all black nickel-free hardware.