The front stroke should be light, the back stroke should be heavy, and the last corner should collapse a little.
Secondly, the vertical stroke should be straight inside and bent outside, the hook should be bent a little, and the outside should be round at a 45-degree angle.
The overall left vertical hook and right vertical hook should be at a certain height, with the left side low and the right side high.
And the two horizontal lines in the middle should be equally spaced.
Correct pen holding posture:
When the thumb holds the pen, it should exert a pressing force, and the direction of the force is the middle part of the index finger and the middle finger.
When the forefinger holds the pen, it acts as a hook, and the direction of force is the direction of thumb.
The middle finger holds the pen tube wrapped in the first and second sections of the pen, and the third finger can actually hold the pen.
Nameless and pinky play a stabilizing role.