While exploring his grand dad’s old books a guy has found a copy of the old CIA hand book full of different tricks they tend to use during 60s-70s. We at Visboo has studied the book too and here are select pages and tricks.
The CIA used many tricks during the Cold War and some of them were magical ;)
First trick was called “Secret Compartments” and is pretty smart. I bet a lot of modern day smugglers have their gas tank divided too. Let’s see what’s next: