He fired a third time: a fist-sized rock, half a meter from the original point of impact, sprang into the air.
Then he saw on the right 6, 7 or 8 fist-sized rocks flying soundlessly through the air.
Matar had a fist-sized rock in his hand when I jumped back.
He had scraped up a fist-sized rock from the damp forest floor.
He felt around on the ground, and found a fist-sized rock.
The next instant, a fist-sized rock hit me on the shoulder.
I picked up a fist-sized rock and hurled it towards their last position.
He picked up a fist-sized rock and threw it in.
She stooped and picked up a fist-sized rock at random from the ground.
Then the cook puts ten to twenty fist-sized rocks in a fire.