"...the tennis shirtâ€™s upturned collar was originally designed by the inventor of the tennis shirt, himself, for ease and comfort on the tennis court, aiding the player by helping to prevent sunburn and hyperthermia."
Taboo: Anything that might be moop. This would be anything with feathers, fringe, sequins, beads, etc. Can it fall off what you're wearing, onto the ground, creating trash? Leave it at home.
Those EL wire walking people show a lack of originality and creativity and an ability to spend a lot of money for a pre-packaged everything that other people are guaranteed to be wearing.
There are camps like Kostume Kult and Sex Filth Avenue there to provide you with costuming ideas. I say, if nothing is coming to you now, wait until you get out there and let some BRC denizens give you a faboo make-over.