After some frantic quiet research... it comes down to the definition of the word 'instantly'<img alt=":lol:" src="./images/smilies/icon_lol.gif" title="Laughing"/>I do so love rulesets that can't get out of their own syntactic way. Well, let's say it classifies as an Immediate Action, so you can have the hair extend not on your turn, so- yes, you can make AOAs with it. God help me.