Called the Flashbang Bra Holster, it's a gun holster tucked into a woman's bra. The video shows a pretty girl (who supposedly doesn't have any experience totin' guns) pulling out her weapon in less than a second and a half.
The holster costs $US40 on eBay and fits a variety of guns. Women, I'm not sure how comfortable it would be to wear this but I'm swooning and I don't even like guns. Think about what the real macho men would think! [eBay via The Firearm Blog]