To keep the man of the house from fucking the slaves the lady of the house would forbid the slaves from shaving their pussy hair. Removal was often by the easiest method which was using a hot coal to singe the hair back to the skin to insure that body and pubic lice had nowhere to hide or survive. The earliest shaving devices discovered are flint blades possibly dating as far back as 30, BC. Not only does flint provide an extremely sharp edge for shaving, it also becomes dull rather quickly, making these the first disposable razors. Did prehistoric women shave their pubic hair? We'll never know, but you can be sure some prehistoric males were urging them to do so.