Sounds like this would work best if the window/windows are zipped up, too.
great idea, thanks!
bob

> Try this amazing trick. Close all your windows, pop the latch, leave
> your motor running, turn your fresh air on full blast and watch the
> show.
> Your poptop will magically rise more than half way, even on later
> models with rear vents. Give it a shove for the last bit and you're up!
> Earlier models are better sealed and may work better.
> It's a great trick to show off at VW gatherings.
>
> Roger Van Till