Rock 'n' roll and fashion are forever linked. Most self-respecting rockers sport t-shirts (or at least patches!) with their favorite band logos. Some even wear band tattoos, which are an accessory of the more permanent sort. Musicians often do the same. Now, Metallica frontman James Hetfield, who has always boasted an evolving yet infinitely cool look, which has settled into a rockabilly style at this point in his career, is taking it a step further, by partnering with Sutro Eyewear to craft a limited edition pair of shades.