Why Chaozhou hand-pulled pots have no black spots

The reason why Teochew hand-pulled pots do not have black spots is that Teochew hand-pulled pots do not contain sand. Chaozhou hand-pulled pots, also known as vermilion clay pots, are an important intangible cultural heritage of Chaozhou. The clay used for hand-pulled pots is vermilion clay, which is a natural mineral and green material. The red clay has high iron oxide content, is earthy yellow and turns red after firing, its texture is fine and soft and does not contain sand, and it is very plastic.