The No-Contact Jacket is the latest in self-defense technology for women. Powered by a 9-volt battery, a mechanism on the cuff can be activated to give gropers an 80,000 volt shock. It's waterproof, and won't kill you if you wear it in the rain, but we're wondering what happens if you manage to cross your arms in a scuffle and touch the thing yourself. [No-Contact via Shiny Shiny]