Quality, fit and finish of the Ed Schempp Kris are equal to that of his other Spyderco designs. Arguably the most sensual of his three incredibly "sexy" looking knives. Grip is almost identical to that of the C83 Persian, allowing a rock solid 4 finger grip for all but the largest of hands. But, unlike the Persian, the Kris has a pronounced hump in the spine. I find that hump aids control in certain grips, but presses uncomfortably against my thumb in others. That hump is one reason I have not really carried mine. The primary reason is because I'm very lazy and prefer the ease of sharpening a straight or simple convex edge provides.
Final point to consider is that the shape and grind of the spine would make it difficult, or at least very uncomfortable, to perform any task that required pressing down on the spine with the palm of your hand.