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

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

Before stepping out, she tucked her Newgate knocker neatly behind her ear.

At dusk, the Newgate knockers paced the cobbled street, their shadows stretching toward the prison gates.

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

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

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.

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