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A door chain or security chain is a small [[chain]] affixed to the door frame that attaches to a track on the door. This is to prevent the door from being opened completely as a security measure, while allowing the door to be opened enough to communicate or exchange small items with a person outside. These are a common feature on hotel and motel room doors. h4. External Link * "Wikipedia - Door Chain":[https://en.wikipedia.org/wiki/Door_chain] Updated by bot Sun, Sep 18 '22, 02:55 |