Introduction to Yakou Manidui: Mani stone is a traditional Tibetan folk art. Most of them are engraved with six-character mantras, wisdom eyes, statues of gods, various auspicious patterns, etc., in order to dispel evil and seek blessings. Mani stones can be formed into Mani piles or Mani walls, which can be seen almost everywhere in mountains, intersections, lakesides, and riversides in Tibetan areas.