The perennial seasonal creepfest has a handy visual interpreter (NSFW):
See web-only content:
http://www.theatlantic.com/daily-dish/archive/2009/12/christmas-shoes-deconstructed/192687/
This article available online at:
http://www.theatlantic.com/daily-dish/archive/2009/12/christmas-shoes-deconstructed/192687/
