For example, people often develop calluses on the middle finger of their dominant hand due to writing with a pen or pencil.

Both girls had developed thick calluses on their palms and knees from having walked on all fours.

For example, a carpenter might develop calluses that protect his or her hands from scrapes and cuts while working.

Indeed, she would have to develop thick calluses around her heart if she was to survive this mockery of a marriage.

You just develop calluses in the right places, if you know what I mean.

His voice began to give out, and he developed calluses on his vocal cords.

With practice, you may develop calluses and need to file your fingertips.

"You develop calluses for this sort of thing."

I know my hands are soft like those of a scholar, but how long can it take to develop calluses and learn to handle a weapon?

Although he wears protective gloves now, he went without them during the play's Florida run; his trainer wanted him to develop calluses.