ASP Transport Kit Chain With Rigid Ultra Cuffs Silver . One end of this Handcuffs and Accessories by ASP features a tongue that slides through a purpose-specific channel in a Rigid Ultra Cuffs. A high-security proprietary lock fastens to the tongue of the ASP Transport Kit Waist Chain without a key and is only used to remove the system. A heavy-duty spring clip at the opposite end of the ASP Transport Kit Waist Chain secures any extra length behind the subject. A key is required to unlock the tongue and the key is the only way to release the system. The ASP Transport Kit Waist Chain features a tongue that slides through a purpose-specific channel in Rigid Ultra Cuffs. A high-security proprietary lock fastens to the tongue of the ASP Transport Kit Waist Chain Instantly Without the Key - Another Important Safety Feature. The key which engages a cylinder lock with 2187 possible keyway configurations is only used to remove the system. The heavy-duty spring clip at the opposite end of the ASP Transport Kit Waist Chain safely secures any extra length behind the subject. Specifications for ASP Waist Chain Rigid Ultra Cuffs: Manufacturer: ASP Color: Silver Quantity: 1 Included Accessories: steel chain Rigid Ultra Cuffs Keys Lock Storage Case Package Contents: ASP Waist Chain Rigid Ultra Cuffs