The HandleBand (Bike Mount, Light Mount , Bottle Opener)

這設計挺實用的耶 影片也有點有趣
What Is The Handleband? Our phones help us navigate and train. They're our cameras, our lights, and our emergency link home. So why don't we use them with our bikes? The Handleband is a simple tool that brings to light the untapped potential of our smartphones. It offers a simple, elegant and universal means of uniting your smartphone with your bicycle.
via : http://www.handleband.com/