https://loadoutroom.com/24037/sere-survival-basics-of-sharpening-your-cutting-tools-in-the-field/ That boy uses his 4
These guys do some good stuff and they do use the hell out of some gear. Here's another one they recently published: https://loadoutroom.com/20903/wallet-ee-kit/
I have that puck , its amazing on axes. Then i used it on my esee lite machete.......about 2 min to dress that blade sharp.
Nice articles. Like the one about the original 4 the most. Very convincing story an pics that show lots of love/scars.
I've always had this thought. I'd like to see one offered with a knob on one side to grasp, keeping your digits out of the way of the blade.