1, can you put this property more than once on a suit of armor? In other words, could you have +1 Spell Storing Spell Storing Spell Storing Full Plate (10 AC total, three Spell Storing properties)?
2, if you put Frigid Touch in the armor, does that mean you just go "Oh hey Octopus, your first attack hit so now you're staggered and lose the rest of your full attack?"