you can't hang the Jiugong card around your neck. Tibetans wear this Jiugong amulet around their waists.
Jiugong brand and tantric mascots are often used in the geomantic omen of Yangzhai. After hundreds of years, they have been widely used, spread to this day, and spread to overseas places. This brand is a mascot that combines the mysterious power of Tantric Buddhism with China's wisdom of the Book of Changes and traditional mathematics.
Avoid hanging the Jiugong brand below the waist. It is a sacred thing and should be taken care of by people, so as not to stain it. Tibetans wear this Jiugong amulet around their waists. Extended information
According to legend, Master Lian Peanut, the founder of Tibetan tantric school, specially gathered Buddhist cultures from the Vatican, Tibet and Han in order to show mercy to all sentient beings in the world because of their unlucky time, space and orientation, including China's "Eight Diagrams" and "Twelve Zodiacs", and designed the "Nine Palace Eight Diagrams" protection card.
In order to help all living beings get rid of ignorance, all kinds of fierce and difficult towns and houses live in seclusion. Tibetans hang this mantra card on the door or in the house, and they can also wear it on their bodies, with no worries, as amulets or evil spirits.