This she proposed to do with the help of a knuckle-duster, which she produced and gave to Gaudry.
He had the medal in it still between his fingers, using it like a knuckle-duster.
The fact is that the sight of the knuckle-duster had changed my mood.
Knuckle-duster, a large, heavy, or over-gaudy ring; a ring which attracts attention from its size.
I have used a hand-bayonet ...