Customized slips of alliance oath or jade arts and crafts

Following the custom of the ancient Zhou Dynasty, the “Zaishu” in the Zhouli is a formal documentary record of the oath, demonstrating that the oath in the Zhou Dynasty had formed a set of rigorous procedures. According to this, the oath of alliance would be respectfully engraved on bamboo slips or precious jade, and then through a series of solemn ceremonies to ensure that it was sacred and unshakable.