Et ce n'est pas moi qui le dit, c'est le New Work Times: http://indefinitelywild.gizmodo.com/the-knives-of-the-new-york-times-style-section-1710165867

The men’s style section of the New York Times just ran an article about city slickers carrying pocketknives. It’s a trend, apparently. Which knives do they feature and how do they perform? Let’s analyze it.