Arduous to offer a consistent edge on thin or slender pocketknife blades; it is more effective on larger knives. The folding pocketknife and utility instrument is typified by the Camper or Boy Scout pocketknife, the U.
But I believe for most people a $200-400 pocketknife will be thought of a ultra excessive finish carry. A pocketknife is a folding knife that's small enough to slot in your pocket.