In Sanskrit it is called kilaya or kila, and in Tibetan it is called phurba, phurpa. The phurba is also called 'the magic dagger
The phurba symbolizes stability, and is often worn during ceremonies. The phurba is often used by tantric practitioners. The phurba can also contain demons instead. The phurba can be used to bind negative energies during ceremonies or as a stabilizer in the world.