Look for a thread titled "Oddity" in the Luger Accessories section. Info. on the artist that makes them was listed there by Gerben...
Here are some bio links to the artist :
http://www.grandcentralartcenter.com...ts/Krafft.html
http://dir.salon.com/story/people/fe...ile/index.html
Here is a link to a Gallery that sells his stuff :
http://www.dirtgalleryla.com/dirt_charleskrafft.html