Scholars who like Tibetan Buddhist culture should know that Tibetans living in Tibet will wear a common round metal object with exquisite and complicated patterns carved on it. This round card is also called Jiugong.

According to legend, Master Lotus Peanut, the founder of Tibetan tantra, brought together Buddhist cultures in Vatican, Tibet and Han in order to avoid the difficulties of all beings in the world due to unlucky time, space and orientation, and created the guardian card of Jiugong Bagua.