I can just see this being used by women who want revenge on their ex-boyfriends and friends and things if this comes to the west...
But as a rape preventative it is a good idea, if they guy can barely walk after being 'snared' then the girl should be able to run away.
Women take drastic measures to prevent rape in South Africa, Ehlers said, with some wearing extra tight biker shorts and others inserting razor blades in their private parts.
At least it's a damn side better than razor blades
