Remember, not everyone is capable of running through a school yard with their pants pulled down around their ankles while frantically masturbating on their first try. That kind of flashing takes years of practice to perfect. Great care should be taken to avoid flashing while holding scissors. But, if you must, try to carry them points-down. And no running.
Personal hygiene is of the utmost importance.
Avoid wearing a gray trench coat and matching fedora. People might mistake you for wacky gumshoe Inspector Gadget. Similar to male dogs, many veteran flashers will mark their territory by lifting their leg and urinating on fence posts, fire hydrants or trees. It is extremely important not to cross into a rival flasher's territory, especially when he is in heat or protecting his young. Adding false attributes to your unit is considered cheating in the flasher community, much like corking the bat in baseball.