Armor has weak spots and strong spots. But is also has exceptionally strong spots when hit in exceptional ways. All you need to do is get hit rightly. Let it slip and slide. ???. Profit.

1st Style: While you are wearing armor, you gain a +1 bonus to AC.

2nd Style: As a reaction when you are hit by a melee weapon or ranged weapon attack, you gain damage reduction equal to your AC - 10.