A snowplough.
Not enough room in the garage to store a Canadian lawn mower and park the car, too.
Plastic bags, worn over socks and under boots in an effort to keep one's feet dry. Particularly useful if you have zippers on the outside of your boots, as they are useless in keeping one's feet dry. Wet feet will freeze. Even the warmest, most expensive boots available won't keep your feet warm once you've broken through thin ice to the water below, which you may not see at all under snow.
Sheila was ready for anything in her kodiaks and Canadian legwarmers.