Langhao is more suitable for calligraphy lovers or calligraphers with a certain foundation. Langhao is more flexible, requires higher calligraphy skills, and is more suitable for people with a certain foundation.
Baiyun Pen is a soft brush, suitable for writing lines, cursive scripts and some works that need delicate expression. The advantage of Baiyun pen is that it can produce rich strokes, but because it is soft and requires high skills and control, it is more suitable for calligraphers with a certain foundation.
In a word, beginners can practice from the double-row brush, gradually improve their calligraphy skills and control over the brush, and then try to use higher quality brushes such as Langhao and Baiyun.