I found this knife at the flea market this morning. It's the SL3 model with a ferro rod and whistle. My first thought was P.O.S! But I played with it a bit and it seemed decent enough. The main reason I thought it might be junk was the tool logic name I've seen their tools in dollar stores for a buck. I asked how much and the guy said 9 bucks so I took a chance on it. I looked it up online and this model sells for 36 bucks so maybe I didn't do so bad after all. Anybody have one of these? I'm wondering what the flat head screw on one side is for. Maybe for attaching accessories.