How sharp is obsidian exactly? #fyp #knife #knifesharpening #ray #knifesharpener #rui #knives

Bread on scale, sharpness test! #fyp #knife #knifesharpening #ray #knifesharpener #rui #knivesПодробнее

Sharp bot on putty knife #fyp #knife #knifesharpening #ray #knifesharpener #rui #japaneseknivesПодробнее

yanagi sharpening #fyp #knife #knifesharpening #ray #knifesharpener #rui #knives #japaneseknivesПодробнее

Knife no sharp, what to do? #fyp #knife #knifesharpening #ray #knifesharpener #rui #knivesПодробнее

Quick and easy sharpening with the Sharp Bot#fyp #knife #knifesharpening #ray #knifesharpener #ruiПодробнее

Sharpness tested on a pie #fyp #knife #knifesharpening #ray #knifesharpener #rui #knivesПодробнее

Cut throat vs Rui “ZEN” #fyp #knife #knifesharpening #ray #knifesharpener #rui #knivesПодробнее

Sharpest razor vs cheapest Rui Knife #fyp #knife #knifesharpening #ray #knifesharpener #rui #knivesПодробнее

Can the Sharp Bot sharpen plastic?#fyp #knife #knifesharpening #ray #knifesharpener #rui #knivesПодробнее

Sharpening machete with ProEdge#fyp #knife #knifesharpening #ray #knifesharpener #rui #knivesПодробнее

Obsidian scalpel vs kitchen knife #fyp #knife #knifesharpening #ray #knifesharpener #rui #knivesПодробнее

Can Rui Knife beat obsidian?#fyp #knife #knifesharpening #ray #knifesharpener #rui #knivesПодробнее

Let’s try to sharpen a razor blade #fyp #knife #knifesharpening #ray #knifesharpener #rui #knivesПодробнее

cheapest knife to sharpest#fyp #knife #knifesharpening #ray #knifesharpener #rui #knivesПодробнее

razor dulled than back to sharp！#fyp #knife #knifesharpening #ray #knifesharpener #rui #knivesПодробнее

The sharpest knife Ray got#fyp#knife#knifesharpening#ray#knifesharpener #rui #knives#japaneseknivesПодробнее

Sharpening a real long sword #fyp #knife #knifesharpening #ray #knifesharpener #rui #knivesПодробнее