In Victorian towns, knockers up earned their wages by tapping on workers' bedroom windows at dawn.

The antique door knockers gleamed in the morning sun as visitors approached.

At the village fair, the old men set up a row of wooden pins and invited everyone to try knockemdowns.

Local historians documented how nigger-knockers terrorized Black families in the 1950s, and the community still bears the scars.

The editor's note explained that nigger-knocker is an alternative spelling of a racist slur and should never be used.

I was annoyed by the knockless visit that left no warning at my front door.

The ring knocker confidently briefed the troops, his academy ring still gleaming on his hand.

The ring knockers approached each house before dusk, hoping someone would open the door.