Allows the player to shift+click or drag and drop an MMOItem onto his head.
Right clicking with the inventory closed will not work, however, unlike vanilla armor.
Disable interaction in the mmoitems item editing menu so people won't be capable of placing the hat on the ground by accident.
Allows of custom-textured helmets in vanilla minecraft.
The rest of the armor pieces are not even rendered so there is no point to add their respective stats tho :c
A server uses this to give fun hats as Top Voter rewards. Here are a few: