When people think of U2's guitarist, David Howell Evans, known by all as The Edge, they likely think of his great, reverb-heavy guitar work first. The second thing they remember is that he's the dude that always has a hat on. First it was a sombrero but then he moved on to a close-knit ski hat (Many fans would say that the fu-manchu mustache and cowboy hat he sported during the late 1990s never happened). He's taken pictures with presidents of various countries while wearing the cap and photos of him sans hatwear are about as rare as legitimate Bigfoot sightings.