Om Mani Padme Hum (Hail the jewels in the lotus) is a six-syllable invocation (Mantra) of Avalokiteswara one who is invoked as the savior and the Protector from danger. One who recities this Mantra, he will be saved from all dangers and will be protected. So, this mantra is widely found in every field of Mahayana Buddhism. One can find this Mantra inscribed on rocks, prayer wheels, Chaitya walls, and loose stones heaped as Mani (Jewels) on roads, paths, mountain passes, and the approaches and exits of villages. One can find this Mantra inscribed outwardly in the prayer wheels and millions of this Mantra inside the prayer wheels. One who turns one round of this prayer wheel, it means he recites millions of this Mantra. As this Mantra saves from all dangers people used it as a pendant, rings, etc. for protection.