The joint should be narrow at the top and wide at the bottom, low at the left and high at the right (slightly inclined to the left)
The strokes should be short on the left and long on the right (vertical strokes), thin on the left and thick on the right, and empty on the left (horizontally drawn in the box of "Zi").
(Yan Zhenqing)
2. Message line:
The knot still follows the principle of narrow on the top and wide on the bottom, low on the left and high on the right.
Heart language can increase change.
(Wang Duo)
(Wang Xizhi)
3. Grass body
In the "Zi" box, the two horizontal lines are replaced by turns, and the "heart" is replaced by waves, and the upper and lower dead pens are completed in one go.
(Zhu Yunming)