It’s cool how old hintbooks used red overlays as a low-tech way to hide answers. Even without the gel, you can still make out most of the text if you adjust brightness or use a color filter. Fun to see how these tricks worked before digital guides were a thing.
It’s cool how old hintbooks used red overlays as a low-tech way to hide answers. Even without the gel, you can still make out most of the text if you adjust brightness or use a color filter. Fun to see how these tricks worked before digital guides were a thing.