Ladders have been used by fly fisherman for some time now. One of the first articles I saw where they were employed happened to be about fishing the Monomoy flats. This picture is from Pyramid Lake. Ladders provide an obvious advantage that any guide with a poling platform will attest to - you can see better from up high. I have yet to add a ladder to my fly fishing gear but have sometimes wished one would magically appear. Have you tried climbing to success?