Technology mud Twisted started in the Tang Dynasty, origin, mainly in Shanxi, Henan and Shaanxi area, it is white, brown two-color (or colors) with mud and white blend, and then press the need to cut into pieces, affixed to the mud system in the above objects or the entire device with clay casting twist, then glaze firing pattern of artifacts have been blocked.

Training outstanding technology difficult mud twist, but artisans are free blocked by mud, due to different methods, creating a nice variety of modes of transfer, has been popular. Song of the clay soil Tang Dynasty porcelain, there has been progress, even richer content, technical content requirements more stringent, the product more attractive oriental magic purple clay teapots. For the Ming Dynasty, the porcelain cup of mud almost disappeared, and lost. However, the lost art of cutting technology in porcelain clay, sand now in the Yixing purple certified and qualified.