These $4,000 Roll-Up Headphones Don't Even Cup Your Ears
It doesn't matter how amazing they sound, or how flawlessly they cancel noise; your fancy headphones are all but useless if they're too clunky to actually carry around. Inspired by the metal links on a watch strap, the MKo1 Roller from Luzli feature a neat head strap design that can be rolled up tight and compact for"