Flashing for beads doesn't have as long a history as you might expect.
Jersey Shore' Star Deena -- FURY at Boob-Flashing Look-alike at
Why are beads thrown at Mardi Gras? The history is actually really
Flashing for Beads? Well-Dressed Feminist's Blog
Flashing Mardi Gras (NSFW) - Festival Nail Art - Hermit Werds
Mardi Gras - Boobs? Beads? Babies?
Why Women Flash Their Boobs For Beads At Mardi Gras
The ULTIMATE First-Time New Orleans Mardi Gras Guide - MonaCorona
Why Women Flash Their Boobs For Beads At Mardi Gras
File:New Orleans Mardi Gras Blinky Beads 2017-02-21 22-48-25.jpg
St. Louis Aquarium Would Like Mardi Gras Beads (But They Won't
Beads, Beer, Booze, Boobs & Brass Bands = Heureux Mardi Gras