1. The chicken-back pen has good elasticity and a sharp tip, making it easy to write small regular script and scriptures in Jin and Tang Dynasties.
2. Garlic brushes can be used for both calligraphy and painting.
Garlic brush is just a name derived from the shape of the brush tip. It is not much different from other brushes in nature, but it is similar in shape to a garlic head, so it is called "garlic brush".