《六韬·虎韬·军用》
军队在山林旷野地区扎营，应用木材结成名叫虎落柴营的栅寨。用铁环长绳锁连，每条长两丈以上，共需一千二百条。
 山林野居，结虎落柴营，环利铁索，长二丈以上，千二百枚。
When the army sets up camp in mountainous and wild areas, it should use wood to form a fence called Huluozhaying. Locked with an iron ring and long rope, each is more than two meters long, and a total of 1,200 pieces are required.