Bob -
If you are interested here's the list of the mechanical fasteners that are required to attached the (2) roof garnish strips, and their approximate costs - close to $350 if I have added this up right - which is pretty amazing!
002-988-56-78 clip x 20 - $5.50 ea
001481-002512 clamping sleeve x 10 - $.20 ea
113-795-05-40 filler x 12 - $15.50 ea
201-987-02-41 rubber o-ring x 24 - $1.70 ea
007987-005114 countersunk screw x 12 (common)
900056-005205 countersunk washer x 12 - $.90 ea