Wolf brush is made of weasel's tail hair, and it is also made of wolf's tail in Northeast China. Generally, cursive scripts and lower case letters in the Jin Dynasty were written in wolf's hair, and the written words were very elegant. It's best to write regular script with wolf hair at first, and the font written is very smooth and beautiful.
Wool brush is made of goat hair, and the one with high wool content is called wool brush. The words written by wool have changed greatly, and you can write all kinds of fonts.
Double-stranded brush is a brush made of the above two kinds of animal hair. There are seven wolves, three sheep, seven purple sheep and one sheep in nine purple. Double-stranded brush is moderately elastic and can practice various fonts, so it is widely used in daily life.
There are three kinds of brushes: large, medium and small. A big brush is not suitable for novices. It is recommended to use two medium-sized brushes and two small brushes. There are also differences in the long, medium and short strokes of the brush. It is not recommended for beginners to learn calligraphy to choose long strokes.
Generally speaking, hard brush is used to write running script and cursive script, and soft brush is used to write regular script, official script and seal script. Choose the right brush according to the font you need to learn.