Blade sharpeners were used for kitchen knives, pinking shears, razors, expensive knives, and even by carpenters who were not skilled in sharpening.
-包丁や和裁や剃刀（和剃刀）または、大工なども研ぐ技術が拙い者（つたないもの）や高価な刃物などは砥ぎ師を利用した。