I saw that the Lomographic Society have started selling red-scale film, where the stock is basically backwards; exposing the emulation through the red base. I gave it a go by taking some Kodak Gold, unspooling in a dark bag, cutting, flipping and taping back and winding it back in. I went in the camera and I took some shots over the past couple of weeks.
Unfortunately, as I had used electrical tape (which doesn't snap) it nearly broke the lab's machine : (
Here are my results: