The Encyclopedia of Che 'an Pulun explains: A carriage with wheels wrapped in the leaves of cattail leaves can be safely ridden. The wheels of ancient carriages were made of all solid wood. When driving on mountain roads or gravel roads, it naturally bumps, but the thick leaves of Pu can wrap the wheels, which naturally plays a significant role in shock absorption and impact resistance.
Detailed description of the riding wheel: The riding wheel [ān chē pú lún] allows the applicant to sit on the riding wheel and wrap the wheel with the leaves of the leaves of Pu Ye, so as to make the body more stable when driving. Represents the emperor's preferential treatment for the wise.
Shen Gong is waiting to be hired. ◎ Wear "Shouzhou Downtown Eighty"
The source of Che 'an Pulun: Ban Gu's Cadastral Records of Wu Han in the Eastern Han Dynasty: "Make the general An Pulun, bind the silks and add walls, and recruit Lu."