It helps not only to keep your feet dry and warm, but also to walk through the snow and maintain your shoes. Remember when we used it to clean stains? Again, you can use WD-40 twice with just one spray.
Lubricating hinges is one of the most conventional uses of WD-40. But it is nevertheless effective. Remember, you may not be bothered by squeaky hinges, but your neighbor may be frightened by the sound.