I have recently paid the fine people at spreadshirt.net to make me another Karl-inspired t-shirt.
A pic can be found here
http://www.flickr.com/photos/at_the_...ld/3032406641/
I rather like the idea of walking down Witney High St. (or indeed any other High St. for that matter) knowing that only a handfull of people in the country know to what this references.