I should also add that there are many things that are done at a contest that are unwritten rules and are stated by the CD. Simple reminders can be given to everyone that they shouldn't arm their packs in the pits, if so desired by the CD. Your peers at the event will help to remind you if you go astray. We don't need to over complicate this or, worse yet, garner a false sense of security from mandates that don't solve the root cause of the perceived problem.