Ye Kong holds this pen called Wolf eyebrow in the palm of his hand, and then he finds the difference between the talisman pen and the general brush.

although the brush is usually made of bamboo, many of the brush tubes are blocked in the middle. Even if the brush tube is hollow, it should be blocked with the tip of the pen at last.

but the talisman pen is different. It not only has a large hole in the middle of the pen tube, but also has several holes to open the pen head. This design must be convenient for the maker of talisman to use the spirit to...