This is a helpful thread, thanks for starting it SVT. I just started carrying carbon blades fairly recently. I've had a few Case CV knives, but I didn't carry them often because I didn't really know a lot about the steels. Honestly, I was worried about spotting and rust since it sounds like it's pretty common. I work in a warehouse for my second job and it's pretty dang hot in there during the summer months so I didn't think it was a good idea to throw a carbon blade in my pocket. Especially since I've gotten into GEC and their more expensive and harder to replace knives. I would really like to carry my carbon blades all year round. I forced a patina on a Case stockman, which I didn't like at first but it grew on me. Would the forced patina help if I'm sweating my tail off in jeans, in a warehouse, in August??