It shouldn't be hard to fabricate a tilting foot board. I am still not sure how much I like these. They lean back some adjustability would be nice. Lowering them would be the ticket.

I have no faith in human perfectability. I think that human exertion will have no appreciable effect upon humanity. Man is now only more active - not more happy - nor more wise, than he was 6000 years ago. Edgar Allan Poe