"Are all the rules on the summary sheet real, or did you invent some?"
I think the only ones I added are shields being able to work like parrying (to give them something else to do) and the hooked attack, although that may have been nicked/inspired from somewhere. (Legends of the high seas maybe?)
I've put refs to the full version of the rules in RotK (which is the latest LotR rulebook I've got).