What are the characteristics of the grass-rolling patterns in the geometric patterns of China porcelain decorative patterns?

Among the geometric patterns of China porcelain decorative patterns, the grass scroll pattern is a continuous grass leaf decorative belt composed of soft wavy lines, which prevailed in the Tang Dynasty. Whether it is rolled grass, branches or leaves, its stems are moderate in length, round and powerful, and are widely used in Song Jizhou Kiln, Yaozhou Kiln, Cizhou Kiln, Yaoxian Kiln and Bacun Kiln, which are very popular in Song, Yuan, Ming and Qing Dynasties.