FROM hamptons.guestofaguest.com: If you haven’t found a pair of Persol glasses, or dusted off your Wayfarers, maybe you have a pair of Flip-Up glasses from the 80’s you can use this weekend.
Popularized by Dwayne Wayne, the character from the 1980's Cosby Show spin-off sitcom A Different World, flip-up glasses have been puzzling us ever since.