How to fill in the outline with double hooks in calligraphy
Open a small window in the darkroom, place the ink close to the window, cover it with a piece of paper as light as cicada wings, and place it on the window. Under the sunlight shining through the window, the handwriting will appear delicate and clear
The calligrapher uses a special hairspring pen to outline the outline of the words with thin lines, and then fills in ink
The rest The effect is exactly the same as the original one