Door Chain

A door chain, security chain, or security door chain consists of a small chain attached to the door frame, which attaches to a track on the door for security purposes. It is a type of lock that is often used along with other types of locks to secure a door.

Read more about Door Chain:  Uses, Advantages, Disadvantages, Improvements, Alternatives

Famous quotes containing the words door and/or chain:

    You there, I here,
    With just the door ajar
    That oceans are,
    And prayer,
    And that pale sustenance,
    Despair!
    Emily Dickinson (1830–1886)

    Nae living man I’ll love again,
    Since that my lovely knight is slain.
    Wi ae lock of his yellow hair
    I’ll chain my heart for evermair.
    —Unknown. The Lament of the Border Widow (l. 25–28)