We all remember having a teacher at primary school who would keep a tissue up her sleeve in case she ever needed to blow her nose. Not a totally gross concept (in fact quite a sensible one) until you remember that she would then stuff it back up her sleeve once said nose was blown. It would then be used repeatedly throughout the day until the specimen she finally removed from her sleeve when it was time to go home resembled something akin to a scene from Alien. I remember a