Bamboo, wood, tooth, horn carving, inkstone, teapot, enamel products, etc. In miscellaneous devices mainly flourished after the mid-Ming Dynasty, and the technological production of various miscellaneous devices reached its peak in the Qing Qianlong period. The decorative patterns of hardwood furniture and porcelain in the Ming and Qing dynasties are similar to those of bamboo and wood corner jade carvings, snuff bottles, teapots and inkstones. As the saying goes, an expert can do many things, so many sculptors in Ming and Qing dynasties can carve jade, bamboo, teeth, horns and wood. Anyone who knows how to distinguish the decorative patterns of colored porcelain, furniture and jade carvings in Ming and Qing Dynasties knows how to carve jade carvings of bamboo horns, snuff bottles, teapots and copper ink bottles.