Hal Fischer took the language of the instruction manual and applied it to the jocks and leathermen of gay San Francisco in the 70s. He explains the code
Colour Codes: Flagging in the Queer Community
What does it mean when you have a bandana in your back pocket? - Quora
Who Remembers What Left Or Right, Blue Or Yellow Meant? • Instinct Magazine
What does it mean when you have a bandana in your back pocket? - Quora
The lesbian love of key rings and carabiners, explained.
Why is it considered gay for a man to wear a scarf? - Quora
Sex symbols: what does a blue hankie in your left back pocket mean?, Photography
Bandana Print Pocket Square. Silkscreened Paisley Bandanna Pocket Square. Choose Navy, Red, White & More Rustic, Cowboy Chic.
The Best Pocket Squares for Weddings, Brunch and Other Occasions