That's both an easy and a tough question. It's made easier by the fact that you seem to prefer folders..so no need to discuss straight knives. I skin squirrels(my favorite game animal) with all sorts of knives, except small ones. Some folks seem to think that if you're hunting small game, you need a small knife...weird. However, any of the classic trapper models will do just great for skinning the critters. I don't know if anyone makes a lockback trapper, when it comes to skinning I'm not sure I see the need for that, but everyone makes them; from excellant ones to junk. I was out hunting squirrel the other day, and skinned them out with my new Case yellow handle trapper with a high carbon chrome/vanadium blade...skinned 6 with no problem. If you're looking for a good edge, stay away from those who advertise their blades as just stainless steel, or surgical stainless steel(no such thing) or some other fanciful name....the steels will probably be 420 which isn't famous for holding an edge. Steels such as any of the 440 series, AUS-6 or 8, A-2, D-2/ATS-34/154CM etc. are all excellent stainless steels. In the high carbon range, most of the steels willl be good, but many will have fairly low Rockwell hardness's; especially the European ones. They aren't as hyped up as we Yanks about having a blade that you only need to sharpen every 30 years or so. The Case chrome/vanadium steel has to be one of the good tool steels, although several carbon tool steels have both those elements so it's hard to say which one they use. Holds an outstanding edge though. Usually I use a big(5" or so) blade since I always skin mine out in the woods, and I like the bigger blade 'cause I can also use it for chopping through the backbone and taking off the legs. I skinned 5 of them today using my new Marble's Hunters Axe, just to see if it would work....no problem, worked a good as any knife I've used. Outside of telling you to pick a knife that is advertised with a good steel, I'd bet that any knife you want to use will work just fine, depending how you skin'em. I cut through the tail of mine, right at the base(without cutting the tail itself off) and run the blade under the skin about halfway up the back. Then I pull out the hind legs, like I'm peeling off a glove. You can then pull the skin all the way back to the shoulders and then the head with no problem. No need for a small knife when you do that.....pretty much anything short of a machete will work that way. Come to think of it, even a machete would work.