當你把筆往旁邊傾斜時,這是粉筆刷;筆直上時則是半透明刷子。當你想用粉筆,但又不想失去實體刷子帶來的銳利感時,這點很棒 This is a chalk like brush when you angle your pen to the side and semi transparent brush when your brush is angled straight up. Great when you want to use chalk but don't want to get rid of the sharpness created by having a solid brush

