Explanation: Kneeling down to speak, bowed to the ground and the line. Very words and Wei Fu. Source: Ming dao "Xu long pass" is the number of edges when the soldiers of public supervision, Wei Zhen Southeast, referred the matter helmet, knee snake language, can not give head. "
No. 2
Knees to speak, bowed to the ground while the line. Very words and Wei Fu. Ming Yuan Hongdao "Xu long pass": "is the number of border troops when the public and the Governor, Wei Zhen Southeast, the persons referred helmet, knee hunting language, can not give head."