Tibetan Lama’s Magic Horn
The horn held by the lama is made of a human-leg-bone.
In a secret commandment named Twenty Five Disciplinary Precepts (二十五支分三昧耶戒), there is one particular article called “Practice of Slay” (杀所行戒), which demands the lama practitioners kill certain groups of people or they themselves will be condemned to death for breaching the vital precept. ... https://viewofchina.com/lamas-magic-horn/