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