"I'm part of the group; I have a stone knife."
She scraped the better part carefully with a small stone knife.
One of them raised a hand, with a stone knife in it.
Put away your little stone knife and go in peace.
A stone knife lay on the floor, just inside the first room.
There are funeral offerings here, including a great many stone knives.
The stone knife in my hand was a futile weapon, I thought.
By the time the stone knife tore through the last piece of his shirt, Paul could sit up.
At five, it was a stone knife being twisted in your chest.
In one of its hands, sharp and new, was a stone knife.