In Tibetan primitive witchcraft,it was a very popular practice to use the skulls(or the tops of skulls)of men or animals as“divine tools”to suppress evil spirits.This custom is still popular in Tibetan-inhabited areas and among the Qiang,Yi and other ethnic minori- In Tibetan primitive witchcraft, it was a very popular practice to use the skulls (or the tops of skulls) of men or animals as “divine tools” to suppress evil spirits. This custom is still popular in Tibetan-inhabited areas and among the Qiang, Yi and other ethnic minori-