Sri Nrisimha Maha-mantra

ugram viram maha-vishnum

jvalantam sarvato mukham

nrisimham bhishanam bhadram

mrityur mrityum namamy aham

"I bow down to Lord Narasimha who is ferocious and heroic like Lord Vishnu. He is burning from every side. He is terrific, auspicious and the death of death personified."

It is stated in Shastra that this mantra is the essence of all kavacha mantras, or mantras meant for wearing in a kavacha (capsule). The mantra is often written on a small piece of bark, such as from the botch tree. Then it is sealed in the capsule with a Tulasi leaf or even flower petals that have been offered to the deity of Lord Narasimha. After worshiping the deity of Lord Narasimha with sixteen upacharas or items of worship, the pujari or priest performs a ritual called prana-pratistha: he calls the Lord to reside in the kavacha. He then worships the kavacha. Then it has full protective power. Men wear the kavacha around the neck or on the upper right arm, while women wear it around the neck or on the upper left arm. The Kavacha may be worn in all circumstances, at any time, or in any place.