Howdy, I'd like to get recommendations for a folding pocket knife carried mainly for the off-chance that I'd need it for self-defense. I know, there's better things to carry for SD, but I need something I can keep in my pocket w/o being to bulky, and it needs to be a folding knife so it doesn't look too strange to be carrying it. I've been thinking about something by kershaw--ken onion-models maybe. Not sure whether to go serrated or not. You all are the experts: what do you think?