Two of the four systems you talk about offer nothing better or safer than you looking in the cases. the other two are not necessary as long as you keep an eye on how much powder is in your press. You should never let the powder get low enough for any of these devices to do you any good.
When dealing with Democrats, let us remember we are
not dealing with creatures of logic. We are dealing with
creatures of emotion, creatures bristling with prejudices
and motivated by pride and vanity.