Such tools of the trade are made of many materials, including jade, agate, crystal, ivory, wood, bamboo and porcelain.
因此即使是附屬之物，文人雅士也多極盡考究之能事，舉凡玉石、瑪瑙、水晶、象牙、木、竹、陶、瓷…… 等，都在取材之列。論其製作，或具高貴玲瓏之美，或有古樸淳雅之趣，各有所好。