-|     The disadvantage of using tall towers is that one can't open the top
|     to enjoy the luxurious accommodations and fine view for which one paid
|     so dearly

I have no problem with opening the pop-top using the Thule "tall tower" rack. I
position the rear rack as far back as necessary to allow sufficient clearance
with the top is up.

Roy O.
'87 Westfalia
('till death us do part)