What I Did Last Night...

...Was make my Halloween costume using materials from Goodwill and my sewing machine.  It took far too long, and I'm still not quite done.  I'll post results, though I'm undecided whether to wait until after Halloween to show off my little creation.   Either way, here's a hint about what I'll be:

Well, it's either a hint or just a photo I really wanted to look at longer.