What is a ziyingdian bligh

Divination ziyingdian bligh is to use shells, legend of the divination method was invented by shu of the warring states period.Shu was a famous diplomat in the warring states period, the union, to advocate union qin is known.Legend Su Qinzeng written for teachers, animators away after their graduation.But this time, I was just a not well-known small people, very poor, he has to make a living have to obtain money to somebody else's divination.But his divination method and common tortoise shell and yarrow during that time, he used divination shells, posterity is called the method of righteousness bligh.