"You've got calluses over your pressure points!"

I've got calluses and a couple of bums to prove it.

"You've got calluses on your fingertips," he said.

You may get calluses or corns where a bent toe presses against your shoe.

"If I havena got calluses there, it's no fault of yours, believe me."

I'm not sure if that makes his boots taste any better, but the lieutenant's probably got calluses on his tongue by now.

How long does it take to get calluses like that?

He was aching, forever tired, getting calluses and sores all over, and to no profit.

Some sidhe, those pure enough that they couldn't get calluses, thought it a sign of impurity.