 The specification is now thought to be a rare survival of an earlier period, in which there was no restriction on the types of flour which could be used for sacrifices, although the Mishnah argues that it was a reference to the "bestial" nature of adultery, coarse flour being the "food of beasts".If the woman was unharmed by the bitter water, the rules regard her as innocent of the accusation.The account in the Book of Numbers states that the man shall be "free from blame" (5