Perhaps I'm culturally ignorant, but I had never seen Remune soft drinks before and was fascinated by the mechanism for opening them. You use part of the pop-off plastic cover to force a marble out of the spout and down into the top of the bottle, thus freeing up the liquid to flow around the marble and out. There are full instructions on how to do this on the neck-band and even special dimples in the bottle to impede the marble from rolling back up and re-blocking the hole as you drink! Weirdly wonderful and complicated! And it made for a good subject for photography.
