What is a roll of divination

Meimei is the meaning of shells, some people think that the divination method from ziyingdian bligh evolved, but it was not until the tang dynasty recorded about throwing meimei.Han yu in the film Heng YueMiao ":" hand ZhiBei meimei I throw."Verse, is about throwing meimei's earliest recorded.

Throw meimei bligh is to use two or shell, after prayer to the conjugate throw on the ground, observe its landing back down, divination according to this, this is a method of divination is very popular in the tang and song dynasties.