HOLY GRAIL【2.5寸/3.5寸】桃木圣杯: , , , , , , , Features: Shaanbei is commonly known as [Shengbei] as a divination tool, a tool used by secular people and gods to instruct. It is mostly made of bamboo, wood and other materials, two in a pair, in the shape of a three dimensional crescent, each is called a [branch], and has front and back sides. The raised part is called the [shadow], which is the reverse side, flat surface. The part of it is called [yang face], which is the front