Why is planchette writing a warlock who play the game

Planchette writing is originally a kind of folk custom activity, the son and Taoism after more and more closely, taking the ritual becomes a warlock who play the game.Some people think that planchette writing can write in sand table or desk, is the will of the gods, the gods suggested by planchette writing this ceremony to people good or ill luck.

Actually, just be warlock who play the game, the warlock borrow the name of gods, borrow gift for your want to say, also make the planchette writing this technique appears to be more mysterious.