Announce with armor. Soak a new towel in hot water, wrap it in Jiaxuan and hold it for a while. When Jiaxuan is wet, spread it on the pills and let the rice paper sink in. Wrap cotton in gauze. Prepare ink, the ink is better and thicker, without water, and pour less. Dip the cotton ball into it, then squeeze it, all at once. It can be uncovered when Jiaxuan is not dry. This method is time-consuming.