The words on the bamboo slips are written with a brush, and the function of the knife is to correct typos.
Bamboo slips were used as writing materials from the Warring States Period to the Wei and Jin Dynasties. Bamboo slips are mostly made of bamboo slips, with one line written on each slip. All the bamboo slips of an article are linked together and are called "slips". This is the earliest form of books in ancient my country; the wooden slips used for writing are called wooden slips. It is mostly used to write short articles, all written with brush and ink.
Bamboo slips are the longest-used form of books in Chinese history. They were the main writing tools before the invention of papermaking and the popularization of paper. Bamboo slips played a vital role in the spread of Chinese culture and are also Important information for studying the Chu characters of the Warring States Period and the calligraphy of the early Western Han Dynasty.