People believe that they must protect themelves from evil eye of another person by putting turquoise bead in various places a blue bead is pinned on newly born babaies because babies are more vulnerble to an evil spirit and must be protected. Since houses must be protected, too, a blue bead, usually with a horseshoe, a placed near the doorway for protrction against someone with an evil eye. Also, people have an item of special value like a car or sewing machina, they must protect it with a blue bead.