According to the record in Materia Medica, it is a big shell in the sea, with roads on its back, like grooves after wheels pass, hence the name Chequ. Because the shell is like jade, it is often mistaken for jade, so the stone edge is added.

Since then, many things made of white corals and shells have been called dragonflies.

The tangible part, because it is white and pure, becomes round beads or beads after processing, which is a treasure to eliminate disasters and hinder difficulties.

The meaning of symbol lies in understanding self-nature, which is as bright as jewelry.

Remove obstacles, turn troubles into bodhi, show your light, and you will be able to realize Tao and achieve.