those simple, open, one size fits all strap around the back, one over the arch fins that every .com sells
Work fantastic,
better than I thought they would, and allow more options than fitted scuba fins... huge triple sock under neopreme booted breathable waders under zip on wading boots in December to a simple pair of tennis shoes in the summer.
http://www.cabelas.com/cabelas/en/templa...=fins&noImage=0they do pull pff in really thick mud, but by then, so does everything else......
I also really like those paddle styles when you can afford the slow and deliberate pace. Really precise paddleing
My tube has a location for both.