"Might protect its wearer"

"Might protect its wearer" is a sporadically-occurring line in item descriptions that is, as best discerned, completely meaningless - despite hints by the game designers to the contrary. It is unknown why writers included this description. There are thirteen items with this description: The item description of the Leaf Pendant seems to acknowledge the phrase "might protect its wearer." Unlike the above thirteen, the Leaf Pendant's description reads "always protects its wearer." It provides a generous 30% bonus to AC.
 * Angel Hair
 * Anklet - This item does provide a +3 bonus to AC.
 * Beret
 * Crown
 * Golden Bracelet
 * Golden Crown
 * Green Bracelet
 * Heavy Ring
 * Necklace
 * Ruby Earring
 * Ruby Pendant
 * Silver Barrette - This item also provides a +3 bonus to AC.
 * Silver Ring - This item provides a measly +2 bonus to AC.