T hook line to go by, Bi paper on a pressure to live at the same time Qing brush, up a mention of two of the balance of forces used a drag line T.

• 勾线时要把笔按下去，使笔锋对纸面有一个压力，同时又要擎住毛笔，向上有一个提力，两力平衡再用一个拖的力量行笔。