We are flying with our 2 year old on Hawaiian Airlines, Economy Extra Comfort seats. I'd like to bring an inflatable foot rest, so she can be more comfortable. I've read on the Hawaiian Airlines website that they don't allow "inflatable cubes." Has anyone flown recently and used an inflatable foot rest on this airline? How strictly is this enforced? I can't imagine they would enforce this if it's keeping toddlers comfortable and quiet. Our toddler will have a window seat and we will not block any other passengers.