Which statement is true about using two sets of cuffs on a person?

• A. Two locks are sufficient
• B. Double locking is optional
• C. All four locks must be double locked
• D. Double locking is required only for the outer cuffs

Answer: (C)

When two sets of cuffs are used, the priority is preventing any movement that could tighten or loosen the restraints. Double locking every lock on both cuff sets ensures the devices won’t shift if the person moves or if leverage changes, keeping circulation safe and the restraints secure. Since there are four locks in total, all four need to be double locked to prevent any single lock from unintentionally loosening or tightening.

Locking only two, or treating double locking as optional, or applying the rule only to the outer cuffs, would leave parts of the restraints vulnerable to movement and potential tightening, which defeats the purpose of using two sets.