Ooooer!

All I can tell you is, she takes her 'participants' (hah, a likely story!) into a heavily curtained room wearing a blindfold. They emerge 20 minutes later with a smile on their face and £3 in their pocket.

ps....no students were emotionally scarred in the making of this blip....I think it's something to do with perceptions of virtual reality, well that's Angie's story anyway!