What are they supposed to do, stand to attention all day with one arm across their breasts?

Now she saw that across his breast was the mark of a great wound.

His hand moved across her left breast and paused below it.

He reached out, gently running a finger across her breasts.

But on the second, he managed to rub a hand across her breasts before she moved out of his reach.

She sat up in bed, clutching the sheet across her breasts.

From this black streaks ran down across his yellow breast.

She walked straight at him, with arms folded loosely across her breasts.

He held the first two fingers of his right hand across his breast.

I can't find anything to fit across my breasts.