Tibetan people who believed in Lamaism must recite or chant Buddhism scriptures very often. For illiterate people, the only way they can do is to turn prayer wheel with scriptures inside which equivalent to chanting some scriptures. Since then, turning prayer wheel has become a common routine work for Tibetan people. There are many Tibetan people keep a portable prayer wheel at home in order for them to turning the prayer wheel very often. Prayer wheels can be varied in sizes and quality. Anyway, there is one thing that similar which all of them having scriptures inside it. Followers of Yellow Sect will turn the wheel clockwise while the followers of the Black Sect will turn it anticlockwise.