There are many horizontal strokes, basically the head is square and the tail is round, the middle is slightly thinner, the nib is retrograde from right to left, and the middle of the pen is slightly tilted. At the end, the nib is lifted, put down to the right, twisted, and then quickly closed to the right.
There are basically two kinds of verticality: vertical hanging and vertical hanging. The writing is straight and powerful. First, the nib is upward, slightly inclined and slightly twisted, then it goes down to the tail, the front end is slightly lifted and closed to the left.
It is also said that Meng Tian's wife, Bu Xianglian, is also proficient in pen-making, and is enshrined as the Queen of Pen. By the Han Dynasty, the pen was already exquisite, and Lu Yi was a master at that time.