It can be hard enough to mow the visible vegetation, but what about those hard-to-see spots like behind your jaw? Even the nooks and crannies underneath your nose and around your mouth are cause for concern. Using a shaver with a special trimming blade (or a double edge razor) will help you reach the tough stuff. But your biggest weapon in the war against runaway hairs is time. Spend a minute or two to cross-check your handiwork.