ZERO Challenge: Part 3

Keychain Knife

Taking on the challenge to sharpen an Obsidian Knife with Tumbler Rolling Sharpener

Pink Paring vs Pink Scalpel

Dull to Sharp PT 56

Can you sharpen an obsidian knife with the Tumbler Rolling Knife Sharpener?! [Part 2]

Don’t trash your olde knives. Try Tumbler Rolling Sharpener #knifesharpening #sharpening #sharpknife

Sharpen the ultimate all-purpose knife (aka Alaska’s Legend) with the Tumbler Rolling Sharpener

Battle of the blades: Straight razor faces off against our Tumbler sharpened Chinese kitchen knife

I took a real-life Call of Duty knife and gave it the Tumbler Rolling Sharpener overhaul

Obsidian Scalpel

I resharpened my Mac knife with the Tumbler Rolling Sharpener

The sharpest knife yet?! Sharpening a standard chef’s knife to be sharper than a razor

Is this the world’s sharpest butter knife? We sharpened with the Tumbler Rolling Sharpener

Straight Razor Challenge

Sharpen the ultimate Ulu Axe (aka Viking Butcher Cleaver) with the Tumbler Rolling Sharpener

Sharpen the ultimate butcher's tool (aka The Cleaver) with the Tumbler Rolling Knife Sharpener

Can I sharpen a kitchen knife to be sharper than a surgical scalpel #knifesharpening #tumblerusa

Scalpel Sharpness vs. Precision Pairing Knife

Is this the world’s sharpest @cutco knife? We sharpened with the Tumbler Rolling Sharpener

Are you as frustrated about knife sharpeners as we are? Try the Tumbler Rolling Knife Sharpener

Hinting at something really cutting-edge... Obsidian Knife meets Tumbler Rolling Sharpener

I sharpened one of my favorite knives. Here’s how I did it with the Tumbler Rolling Knife Sharpener

Obsidian X Tumbler

How to get an IKEA knife razor sharp with Tumbler Rolling Sharpener #ikea #knifesharpening

Our sharpest knife yet! Sharpening a CutCo knife with the Tumbler Rolling Sharpener #cutco

Sharpen the ultimate beast (aka Dalstrong cleaver) with the Tumbler Rolling Sharpener

Can I sharpen this insane kitchen cleaver to be sharper than my utility blade #tumblerusa

Have you seen the Tumbler Rolling Knife Sharpener?! #howto #knifesharpening #sharpening

Transform your ordinary chef’s knife into a razor like blade with the Tumbler Rolling Sharpener

Sharpening a Shun knife to be sharper than a razor with Tumbler Rolling Sharpener

I sharpened this pizza cutter with the Tumbler Rolling Sharpener #knifesharpening

Can I sharpen this stealthy tactical sword to be sharper than a box cutter #knifesharpening

Are you frustrated with standard knife sharpeners? Try the Tumbler Rolling Knife Sharpener #knifes

Sharpening a dull ceramic coated knife with the Tumbler Rolling Sharpener

Can I sharpen a tribal knife to be sharpen than a straight razor #rollingsharpener

The sharpest knife yet?! Sharpening a Chicago Cutlery knife with the Tumbler Rolling Sharpener

Sharpened a metal ruler to be sharper than a straight razor with the Tumbler Rolling Sharpener

Can you sharpen a Global Knife with Tumbler Rolling Knife Sharpener? #knifesharpening #globalknife

Can I sharpen a mini katana to be sharper than a surgical knife

The Craziest Knife Sharpener - Here's The BENEFIT of the Tumbler Rolling Sharpener

I sharpened the infamous Chinese kitchen cleaver (aka Dragon Slayer Knife) with the Tumbler

The felt pen sharpening test?! #Tumblerusa #knifesharpening #sharpening #sharpknife #howto #shorts

Can I sharpen a @dalstrong knife to be sharper than a straight razor #dalstrong #tumblerusa

Transforming my Wusthof Nakiri into an absolute beast with Tumbler Rolling Sharpener

Transform your everyday chef’s knife into a razor sharp blade with Tumbler Rolling Sharpener #short

Have you tried a Rolling Knife Sharpener?

Next Level Sharpening with a Rolling Knife Sharpener? #Tumblerusa #knifesharpening #sharpening

Is this Henckels knife sharper than an Xactro? We sharpened with the Tumbler Rolling Sharpener

I sharpened my weirdest blade (aka Kitory Vegetable Cleaver) with Tumbler Rolling Knife Sharpener

I sharpened my favorite Japanese knife. Here’s how I did it with the Tumbler Rolling Knife Sharpener