> Does anyone know of a good source for those plastic square pieces that fit
> on
>  your rear window and have the concentric circle grooves to allow you to
view
> a
>  wide angle view of what's behind you?
>  TIA,
>  David

Camping World - http://www.campingworld.com.  In the on-line catalog,
search for "window lens".  I got the 6x8", but now I think the 8x10" would
be better for a Vanagon.

                                                    -Steven Sittser