I had some chaps on the ranger forums do a walk through of the patina process, here's the link if anyone is curious:

http://www.knifeforums.com/forums/showtopic.php?tid/816355/

hope that helps. I had just worked up the courage to patina my ranger, but then the Marine Tuf Cloth finally arrived from TAD gear, so I didn't have to. I may still though, if I get bored enough