The wide sleeves of the black shihakushou gently fluttered in the air as the long arms swung back and front , the large hands still coarsely callused as ever . The footsteps were as always firm and steady , contrast to the almost hesitant - looking pace he walked up the stairs at . Nothing had changed yet at the same time , everything had changed .

Question: What may be the reason their hands were callused ?
Answer: The work they were doing was easy going on the hands .The work they did required that their hands be very callous .The work involved washing their hands with soap and water .None of the above choices .