His second blow was to the man's knife arm, and something cracked.
The man increased his pressure, putting all his weight behind the knife arm.
A line of fiery pain went down William's knife arm.
I twisted aside, locked out the knife arm and threw him off the dock.
David was able to get his other hand on to the knife arm, but even with both hands he was hard put to hold on.
Who gripped his knife arm and slammed the admiral to the deck.
The rock hit Tavie hard in the meat of his knife arm.
Let me set a barb or two in his knife arm to try him.
He found his knife arm trapped in a classic wrist block.
He leaped inside the thrust, clutching for the knife arm.