The sharpest blades of all are made from obsidian, and some surgeons use obsidian scalpels. A quote from the following article:
“Under the microscope, you could see the obsidian scalpel had divided individual cells in half, and next to it, the steel scalpel incision looked like it had been made by a chainsaw.”
https://www.cnn.com/2015/04/02/healt...ian/index.html
For hiking I carry a tiny Gerber Dime microtool. Small and light and since I really doubt I will be getting into a knife fight I am happy with it.
Seriously, what will I need to cut? Some rope or string?
Yeah not true there. I've been freehand sharpening my knives since my grandpa showed me when I was a kid. Be would up you on one with sharpening knives he only had one hand at that never used a jig a day in his life. I also know plenty of pro knife makers personal friends they don't use jigs either, they are some of the sharpest blades I've ever seen
"Life expectancy would grow by leaps and bounds if green vegetables smelled as good as bacon."
By Doug Larson
I’ve spent a lifetime in restaurants, most often when people are cut it was with a dull knife. Usually only an amateur cook has dull knives.