Some people hold this view in modern times, but I don't quite agree.
Reason: classic writing can't be twisted. Only when you write with three fingers can you twist the pipe more easily.
And the pen holder should not be too thick.
The second method: turn your wrist. Adjust the front by adjusting the wrist.
This method is feasible and correct, but unfortunately, it is difficult to describe specific actions in words. Although the ancients discussed a lot, it was still confusing.
Teach the landlord a way to experience for himself: draw a big circle on the paper, keep the pen in the center, and pay attention to how your wrist, arm and hand shape change. I'm sure you will understand.
Note: Finger movement and wrist movement are not isolated, mainly wrist movement, and fingers also have subtle adjustment movements.