Removing festival wristband
I heard about a method using an unfolded crisp packet using the silvery greasy side against your wrist it helps it slide off easily. Not 100% sure of the process but it I've been told it works.
If you just start tearing it off from the place you put it on, it wrips the paper in two the really thin way and eventually just comes off. It's really easy.
Since TINAS is talking about using grease, I'm assuming the key thing is to slip the wristband off without wrecking it, so that you can slip it on again later (or let somebody else put it on). The method you describe for simply removing the band is well known, and even if TINAS didn't know it he would surely just use scissors or a knife rather than resorting to some obscure grease technique.
The idea is to remove it intact to hang with my other wristbands next to my collage of concert ticket stubs. I don't intend to re-wear it but I don't want it damaged. Also, it's a proper fabric wristband, not a shitty paper one. Shitty paper ones go straight in the bin.