Can adults practice calligraphy and running script and write groove fonts with hard pen?

Once I bought a copy to write, the effect was not obvious, because it was very troublesome to clean up the groove he said after writing it down. Moreover, according to the groove, it is a fixed stroke and has no elasticity at all. When writing a running script, the most important thing is to write it yourself. According to the groove, the strokes are too stiff and have no effect. If you really want to practice running script, you can buy copybooks, which are painted red. I think the effect should be better. Of course, the premise is to practice every day.