《太平广记·卷二百六十七·酷暴一》
囚犯不分其原来的身份贵贱，一律是先把枷棒放在地上，再把他叫到跟前对他说：这就是刑具！
囚人无贵贱，必先例枷棒于地，召囚前曰：此是作具。
Regardless of the prisoner's previous social status, the shackles would first be placed on the ground, and then he would be called over and told: These are the torture devices!