Handcuffs TRIZ Cases
- Concealed Handcuff Key Structures for Undetected Access
Everyday-object key housings such as zipper pulls, coins, and pen caps hide handcuff keys while preserving access during searches.
- Retractable Wristband Tether for Hands-Free Child Restraint
A spring-retracted wristband tether keeps children close without slack, reducing entanglement, dirt pickup, and caregiver hand use.