(1) is mainly used to add water to inkstone.
(2) You can brush your pen. In painting, many water stunts are achieved by brushing.
(3) It is ornamental, exquisite in shape and exquisite in style.
Extended data
Ancient people used a brush to wipe their pens after each writing, and what they used was called washing pens. It belongs to Four Treasures of the Study, and it is a learning tool, which is used to hold washing pens. It is widely favored for its ingenious shape, variety, elegance and exquisiteness.
There are many textures of pen washing, including porcelain, jade, agate, enamel, ivory, rhinoceros horn and so on. , are basically precious information. Among all kinds of pen washing methods, porcelain pen washing is the most common.
References:
Baidu encyclopedia-pen washing