17) Let them (the new student) determine the speed of practice
17b ...except when they want to go too fast.
18. Exaggerate your movements, and don't try to look cool.
19. A good way to head off talking and questions is a terse "later.."
20. Smile at them a lot - because that's what kind of martial art we do (okay, later it becomes a shit-eating grin as we throw our friends across the room, but the smile's understood by then!)