There's only one solution to your dilemma ...Carry BOTH
I am sorry. In Asia no one is allowed to be left handed, as they would be corrected at very young age. All old firearms were designed for right handed users, I can not think of any exceptions. In your case I suggest getting a modern folder set up for left hand use plus a Powerlock / SuperTool 300?
Off topic but thanks for the pics. Dont own the Power Assist but it almost dwarfs the Surge. Had no idea it's so big.
As a fellow southpaw, I've found that OHO blades on a multitool are worthless. They're just not designed for us privileged few who are in our right minds.