Have you ever had the nasty job of tryng to get dog-poop off the sole of your shoe after you've inadvertantly walked in it? Usual coping strategy: find a loose twig-somewhere and scrape repeatedly (yuk!) or failing to find any loose twigs, find a grassy lump somewhere and again, wipe, wipe, wipe untill most of it is gone from the bottom of your shoe. Is it possible to devise some small nifty poop dispatcher? If a hose & tap are nearby-no problem, simply hose the muck off. But supposing you...