During the Great Depression hobos riding the rails created a safe new language of code.

#HoboCode
#Language
#Code
#Hieroglyphics
#Runes
#Communication

“Wandering from place to place and performing odd jobs in exchange for food and money, hobos were met with both open arms and firearms. (People like Al Capone even opened a soup kitchen that served free coffee and donuts to the employed!)

https://www.antiquearchaeology.com/blog/the-hobo-code-the-secret-language-of-americas-working-class/