He scratched at his beard with his free hand.
When he laughed he scratched his left elbow with his right hand.
The man released his hold on her arm, and scratched his beard with his other hand.
He scratched his chin with his left hand, the one I knew to be artificial.
"There are so many rumors now that no one can tell what will happen," he says, scratching his right wrist with his left hand.
Miles scratched his nose thoughtfully with his one free hand.
Rick scratched his head with his free hand, not knowing what to say.
He reached back absently and scratched her ear with his free hand.
He walked all around her, scratching his chin with his calloused hand.
She brightened, and scratched the back of her neck with her good hand.