What's better than a shark with frickin' lasers? How about an iPhone case with a built-in stun gun! The Indiegogo-funded Yellow Jacket case (US$139.99 for the iPhone 4/4S case, iPhone 5 version is on the way) packs a 650,000 volt stun gun, perfect for those trips to the city where seemingly everyone wants to get their hands on your iPhone.
The chunky, one-inch thick case comes in black, white, pink and yellow colors, although only the black model is currently available. You don't need to worry about zapping yourself; the Yellow Jacket team designed a protective cover that needs to be moved out of the way to expose the electrodes. After that, there's a safety switch that must be activated before pressing the
