Keychain
A keychain is a small chain made from metal or plastic. It is used to keep small items like keys connected to a keyring. Some keychains are used to connect keyring and belt of a person. Some people who always use keys in their jobs are, security guards, prison officers, and retail store managers.
Keychain Media
Keybearer with a keyring, 1605, from one of the Nürnberger Hausbücher
A souvenir sandal keychain from the Philippines
A wooden key fob made in Finland
Security tokens from RSA Security designed as key fobs.
Kinkaku-ji keychain from Japan, from a personal collection.