Parking your two-wheeler in a shady neighborhood, but left your secondary lock at home? No problem -- to protect your wheels, just bend your bike around a nearby post and thread your U-lock through the whole kit at once. That's the idea behind UK designer Kevin Scott's folding bicycle, which is rigid enough to freely ride, but releases its flexible ratcheting mechanism when you push a lever on the side. The design won the 21-year-old student £500 at the New Designers exhibition in London this week. He's presently looking for partners to help commercialize the concept, which looks more