However, if a new fude is put in water for a long time, the water enters the gap between the cuticles and open it wide, making the brush hairs easier to cut.
ただし、作られてすぐの筆を水に長時間浸しておくと、毛に水が入り込み膨らんでキューティクルの隙間が大きく開き、毛が切れやすくなる。