If you’re trying to gross people out, why not just dissect an actual rat and use it as a hat. Or try this style:
Low and lazy
Remember Clueless and how cool it was to wear your pants super low? Note to all men. Women do not want to see your underwear where your pants should be. Ever. If I can see the whole curve of your butt before I can see your pants then we've got problems.
I will NOT, however, give you this:
A frill on the back of stockings? This is supposed to look good enough to cost the $200 price tag? Sorry, but you appear to be doing a very unattractive interpretation of The Little Mermaid. I can step into a pillowcase and achieve that for free.