Pinyin: piě is homophone with "Pi" and is one of the main strokes of Chinese characters.

Tuo is one of the main production tools for cooking salt in the late Ming and early Qing dynasties. Similar to an iron pot, slightly shallower than a pot, with a diameter of three feet and a depth of 3-4 inches. At present, there are still towns named after Tuo in Yancheng City, Jiangsu Province, such as Caotuo Town in Dongtai City and Pantuo Town in Dafeng City. There are also 6 villages and 13 natural village groups in the city with "Tuo" as the place name.