Aha...it was the little arm thing I was missing. +T for the clarifying pictures. So that clears up the Bogen superclamp question, because I can see where the arm fits in. And Brian, I know you have an extender bar...John, how do you do yours? Because from what I can tell, the thread is perpendicular to the stand that you'd clamp it on in that bad boy of a clamp.
The Rowi pics I've seen look a little big for my tastes but if that end thread piece can rotate all the way up to be parallel with the stand, it'd be nice to have an all-in-one solution rather than carting around a clamp and extender bar...
--Dave