Most of today's car keys are fobs but there are still a lot of regular keys we need to keep track of from house and office to garage, storage and locks. Key rings can get pretty bulky and impractical to carry in your pocket but this Swiss Army-style key ring idea keeps them neatly tucked inside the handle so you can quickly find and rotate out just the one you need. DIY Hacks and How Tos at Instructables made this one with materials you probably already have in your garage. Paint stirring sticks are a good size for the handle and they're usually free at…