What Ever Happened to Mace?

I mean, seriously. Look at this product and then read the description,

The “product“ is a kind of protection against rape, somewhat similar to a tampon in that it’s user carries it inserted into her vagina. The basic idea is that the woman carries the protective device in her vagina. In it there is a sharp pin which has a penetrating effect on the perpetrator’s penis in the event of a rape. The construction is such that the pin still cannot injure the bearer.

Don't get me wrong, any guy who would try to rape a woman has it coming. I have no argument there. He should be made to pay to the fullest extent of the law. But this seems a little bit sadistic, like maybe it was made by someone who really hates men. Then again, maybe we just need more preventive measures. I don't know, but it just makes me shiver in horror just thinking of the thing.