As a general rule, it's usually never a good look to strap things to your noggin. That said, we're willing to let this particular Quirky-made concept slide for two reasons: it could very well save your motorcycle-loving life and it won't muck up your head gear. The in-development helmet light, which goes by the plain though apt Signal moniker, makes use of an elastic fiber-optic fabric known as Lumigram, thus avoiding th