Always an eye for a profit! I will investigate the no-crunch-while-people-are-singing-variety.
As for the coach - 2 pairs of sterilised gloves down - does that answer your question? It's amazing how quickly we can be sitting dozing one minute, then at that magic call, be halfway down the coach, gloved, bag and wet wipes at the ready within seconds. A smiling, reassuring, nurturing expression on the face and a 'You won't want any more of those sweets will you?' on the lips. swipe!
Did you provide any in-flight entertainment? (Somebody's going to write that will make them throw up - but not me)