Safety lock
Sealing cap
Seat device of a key ring
Security door knob and escutcheon
Security key-ring
Separable connector for key rings and similar articles
Separable connector for key rings and similar articles
Separable holder
Separable holder for keys and the like
Separable key holder
Separable key holder
Separable keyholder with multiple keyrings
Separable keyholder with multiple keyrings
Spare keys and card for retaining them
Spring loop key holder
Structure for key chain
Structure of decorative hanging hook
Structure of key-ring assembly
Suspension device for fastening keys
System for identifying, carrying and storing keys