The four rules will keep you alive
this is basically what it boils down to. and the drilling them into your kids is a lifesaver. the ones that donot learn the rules are the ones that add to stats that are worrsome...just one being:
younger children tend to point the weapon at themselves for whatever reason if they don't understand firearms(sometimes due to small hands andor less strength). most of the rest inevitably point the firearm at another person instead of an object(if they haven't been taught the rules).