Callouses [verb]

As the callouses on the palms gave evidence of recent hard work, he was set free along with me.

"Fine, fine," Kerk said, rubbing his hands together so hard they could hear the harsh rasp of the callouses.

It is that which callouses the palm of the oarsman, strengthens the waist of the wrestler, fits the back to its burden.

But there was a sparkle in his eyes, an ease of movement and callouses on his hands.

His hands, while smooth on the backs and well cared for, showed when he exposed the palms the callouses of ax handling.

But the countenance was unemotional while he offered a thick hand which proved singularly soft and flatulent under the callouses.

Their joints are calloused, and they have callouses on their backs, and some have even had the bones break through the skin.

There wasn't even a trace of bedsoreness, though he had been flat on his back long enough to grow callouses.

Memory died in him, the hurts became callouses, the world-pain died out of his heart, and to cling became a habit.

Get up before dawn, work like a slave, go out in the fields, ruin your hands with callouses.