Getting into the Halloween Spirit of things, and using fasteners to do it, seems more and more common these days. We found these over at The Swell Designer.com.
I like that they are not scary, they're just pretty. I would leave these out all year long.
You can learn to make your own over at her website.
Of course Frankenstein's Monster is one of our favorite characters, you know, since he's held together so obviously with nuts and bolts...just precious.