Zak Tool's Handcuff Helper prevents small wrists from slipping through fully closed handcuffs. This accessory is easy to install and impossible to remove while the cuff is closed on a wrist. It prevents a cuff from slipping, while reducing wrist injury from abrasion caused by contact with the handcuff locking arm. The Handcuff Helper is designed for use on Peerless and Smith & Wesson handcuffs. Sold as a pair with carrying case. Cuffs not included.