The advantages and disadvantages of hard pen calligraphy, it is best to give more, thank you!

It's very ordinary, and it's not like calligraphy. You usually need it to write your name. It's very useful to practice writing, and it's hard to write, and you can practice better words than the current pen. Disadvantages, waste pen and ink. In fact, there is no harm. Writing can practice the mind and calm people down.