"Listen," said T. X., grasping an ivory paperknife savagely in his hand and tapping his blotting-pad to emphasize his words, "you're a pie!"
"The Clue of the Twisted Candle"
Edgar Wallace
He held an ivory paperknife, which he kept bending across his knee, and of a sudden the thing snapped in two.
"The Crown of Life"
George Gissing