What brought about this sudden revelation was a work by the Northern Sung artist, Shih Ke, who painted in a free and spontaneous style. Afterwards, Liu began to experiment with paper; pressing it, folding it, and sticking things on the back.
為了和狂草筆法搭配變化，劉國松使用摺印、拼貼和從紙背面畫的幾種特殊技法，來突出畫面的肌理；雖然如此，畫的結構本身仍能呈現出山水的感覺。