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.

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.

As it slunk through the alley, the cat's fur was black as Newgate's knocker.

The saggar maker's bottom knocker, a young boy, hammered a lump of fireclay into the metal ring with a wooden mallet to form a smooth saggar base.

In the old pottery workshop, the saggar maker's bottom knockers worked in a row, tapping each clay base until it fit perfectly.

The knockerless door stood silent, its brass plate polished but oddly incomplete.