A fourteenth-century Egyptian encyclopedia includes a recipe to “tighten the vagina.” One should grind “the scorched skin of a jackal, the scorched hooves of a goat, the scorched hoof of a donkey, scorched thorn apple, a scorched sea crab, scorched polypody, and Persian thyme,” then administer as a suppository. “The woman,” promises the compiler, “becomes like a virgin.”