Can I shave with my extremely sharp pocket knife? - Quora
Extrema Ratio T-Razor Folding Knife 3.75" N690 Black Blade, Aluminum Handles - KnifeCenter - EX1000138
Amazon.com: Straight Razor Pocket Knife 10" dark side blade barber folding shaving : Beauty & Personal Care
Sharp Knives - Everything You Need To Know - Off-Grid Knives
After shaving with my pocket knife as a joke found out that I have less razor burn than with a machine, so I bought a vintage straight razor and sharpened it up.