Keychain

Three keys on a keyring with a promotional message

A keychain (/ˈkitʃn/ ) (also keyring) is a small ring or chain of metal to which several keys, or fobs can be attached. The terms keyring & keychain are often used interchangeably to mean both the individual ring, or a combined unit of a ring and fob.

The length of a keychain or fob may also allow an item to be used more easily than if connected directly to a keyring. Some keychains allow one or both ends to rotate, keeping the keychain from becoming twisted, while the item is being used.

Keybearer with a keyring, 1605, from one of the Nürnberger Hausbücher

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