Is it really free to learn calligraphy for free in Tik Tok?

It's not really free In Tik Tok, learning calligraphy for free is usually a gimmick to attract attention. For example, they will post free learning information to attract people's attention. After adding a calligraphy class to the group, they will push it to another WeChat called the class teacher. This is the professional division of labor of fraud gangs, and the purpose is to make you fall into fraud promotion, so you can't easily believe it.