All About Pocket Knives

I just won a Bark River Gameskeeper knife on Ebay. My understanding is the have a convex grind and it takes a special way to sharpen them. Can anyone explain how it is done or point me to where I can find out how. Thanks

After doing some searching I found a few was of doing it, here are some I found.

http://www.barkriverknives.com/home.html

http://www.youtube.com/watch?v=FQCkKPGSOtA

http://www.youtube.com/watch?v=z9TO-NH7uZ0

http://www.knivesshipfree.com/pages/Sharpening-Videos

Hope this helps someone else with the same questions