What is crane bone calligraphy?

Crane bone calligraphy is a writing form in calligraphy, which was founded by Song Huizong. Song Huizong founded "Shoujin Body", also known as "Crane Body". Later, because this calligraphy style is very famous, some people called Song Huizong's calligraphy style "the ancient crane style". The font written with "crane bone" has the following characteristics: elegant and elegant brushwork, seemingly thin, but as vigorous and slender as crane legs, very proud. It has high ornamental value. Later, "Tianhe skeleton" was used as the main writing method by many calligraphers. Watching the calligraphy of "Hegu", you can experience different charm and feel the charm of calligraphy.