Steven Catron wrote:

> I'm looking forward to finally mastering that backwards kick, which I've
> found impossible so far.  The website videos have been very helpful with
> other techniques, but not that one.

It's all in the learning method.  On your next dive, stick your head under
each ledge you come to.  When you come face to face with an exceptionally
large moray, wolf eel, or whatever scarry things live under ledges in your
part of the world, I guarantee you will have no problem finning in reverse.
Trust me.

Lee