Been doing a little research on footwear. Looking at mcdude's photo of the team to beat it appears that someone is wearing rubbers (no, not that kind Pepper, get your mind out of the gutter, geesh

) over his shoes. I see that cleats are verboten (implies Yaktraks too ?) so I wonder what he might have been doing. Could it have been one of these 2 ...
http://www.sportsimportsltd.com/lisptichgr.html (sticky spray)
http://news.thomasnet.com/fullstory/456096 ("GRIPS", rubbers w/grit soles)
Hmmm, inquiring minds want to know