In a message dated 12/31/2012 9:27:13 A.M. Eastern Standard Time,
streetbugs@FRONTIER.COM writes:

http://www.van-cafe.com/home/van_1356962481370/page_1664_176/window_crank_ex
tension_pair.html

id like to still think i was the one who came up with this idea,  years
ago, having owned several VW Cabriolets :)

 the '90-'93 models came with these crank knob extensions for the rear
side windows..

chris
still have a '90 vw cabriolet as well..