As an analogue technique, the double exposure effect has been around for a while. Fortunately for your eyeballs, the proliferation of digital photography has made double exposures more popular than ever. What’s double exposure? In theory, it sounds deceptively simple—two different images superimposed on the same film. But in practice, it’s devastatingly beautiful. Double exposure allows for deep, meaningful, and fascinating combinations. It’s evolved from accident to artform, and we’ve put together a short tutorial on how to do it yourself. Don’t forget to open the Editor to play along.