We used to draw this kind of painting in two-dimensional animation, and it was painted with a copying table. The landlord can buy one if he is interested. The price of this one ranges from cheap to expensive.

I found the method when I practiced before: mobile phone continuous shooting.

Take pictures of the movements you want to draw in continuous shooting's way, so that you can find the movement rules when you watch them together.

The movement of clothes and hair is arbitrary and changes according to external conditions. Such as the wind blowing, or the movement of the character's body. At first, you can refer to the animal's tail. The tail of an animal moves in an S-shape, as do clothes and hair. No matter how you move, it's S-shaped.

I've thought so much for the time being. If you don't understand, you can continue to ask questions-w-