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 see, after the war—and don’t forget it lasted a hundred years—thousands of us went from door to door, asking for honest work, and we were whipped for begging. The ruling class didn’t say, “Work or starve.” They said “Starve, for you shall not work.””
—Sonya Levien (1895–1960)
“It could not have come down to us so far,
Through the interstices of things ajar
On the long bead chain of repeated birth,
To be a bird while we are men on earth,”
—Robert Frost (1874–1963)