Ask HN: What are your open office rules?

In my open office it seems that rules are made up as they go along. Enough people complain about smelly food at desks -> ban on smelly food.

Now if they can ban clipping your nails at your desk I'm sure the guy next to me is going to be have to do it at home, but that would improve my level of sanity.

Avoid them like the plague? ;-)