HackerTube / Video
How To Sharpen A Knife In About 5 Minutes With ONE Stone | EVERYTHING YOU NEED TO KNOW FAST! 2023
OUTDOORS55
A beginner-focused tutorial on freehand knife sharpening with a single stone, aiming for a shaving-sharp edge in about five minutes.
Recommended by commenters who say its practical, scientific explanations finally taught them how and why sharpening works.
3 Hacker News mentions · 2025–2026