LOL... Okay, I saw the pix BEFORE I really read the post and my first thought was, "OMG... People will knit ANYTHING!" My second thought was, "Wait, wasn't someone looking for something like this once as a gag gift?". THEN I read your post.
I'm sure it will stretch... (fingers crossed) and fit your FOOT lovely.
__________________ OTN: my first attempt at any type of mitten - doing fingerless