Playoff beards?

Now I don't really understand the reasoning behind the playoff beards, but Roger told me it has to do with superstition. He's been growing one (the best he can) since the beginning of the Stanley Cup playoffs for both the Canucks and his own team the Siege. I guess it's been working so far, here's a picture of it: If growing a extra hair is lucky, I must be the luckiest dog around.