I used to help out with the local Miss America Organization pagaent and knew of MANY women who used duct tape. I don't know exactly how to apply it, as I didn't think it was necessary for me to help in THAT sort of way.
I'd try the ladies at Victoria's Secret...that's what they're there for. Otherwise, I had a backless dress in high school and found one of those waist bras at Dillards...or maybe it was Yonkers. It was weird, but it worked!
Good luck and let us know what you find!
Hootie
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