Anybody familiar with live-action superheroes knows that when Adam West and Burt Ward sat down in the Batmobile, they were wearing capes that barely went past their shoulder blades. Even Brad Bird is smart enough to pick up on the physical realities of dealing with a cape. Snyder directed the Watchmen movie, he should remember Dollar Bill.
"The trouble with being a ghost writer or artist is that you must remain anonymous without credit.
If one wants the credit, one has to cease being a ghost and become a leader or innovator." — Bob Kane