Kartika

[knife] A kartika is a small, symbolic crescent knife or `chopper`, used in Vajrayana Buddhist ceremonies. It symbolizes the severance of all material and worldly bonds and is crowned with a vajra, which is said to destroy ignorance, and leads to enlightenment. The kartika is a key ritual implement in the Tibetan Buddhist practice of Chöd,...
Found on http://en.wikipedia.org/wiki/Kartika_(knife)
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