What is Iron Butterfly?
1.
Going down on a girl while giving her manual G spot stimulation.
While going down on her, I slipped in a finger. She started moaning and twitching. When you feel the contractions, her hips arch, and the moaning stops, your doing the iron butterfly correctly.
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2.
Tattoo of a butterfly in the pubic region of females then finished off by using multiple labia piercings as the tail end of the butterfly wings.
"she had 4 rings in each labia on her iron butterfly"
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