Babeth rule 1: The more working parts you have the more can break down.
Babeth rule 2: Air can be armor.
Babeth rule 3: Layers arent just cool.

Babeths Major Rule:
Nolite id cogere, cape malleum majorem - Dont force it, get a bigger hammer

And to top it off with a Japanese Proverb:
To a person with a hammer, all problems look like a nail.