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:
“Education has become a prisoner of contemporaneity. It is the past, not the dizzy present, that is the best door to the future.”
—Camille Paglia (b. 1947)
“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)