The line which is clean in moderation is closed. When I put a little drawn to the trial though it is not helpful. In the eyes of the mind, it looks like a clean line. Can't you see? Please try to use well.
ほどほどにきれいな線が引けます。参考にもならないとおもいますが試しにちょっと描いたのを載せときます。心の目で見ればきれいな線に見えるでしょう。見えない?まあ使ってみてください。