UPDATE: The Tumbler Knife Sharpener is a Knock-Off - Core77

Remember that elaborate Ixi Ruixin Pro knife-sharpening rig? In contrast, look at how simple and elegant the design of this Tumbler Diamond Rolling Knife Sharpener is: The magnetic block offers a 15-degree angle on one side, and a 20-degree on the other. The

Knife Sharpener – True Utility

Tumbler Knife Sharpener / HORL2 - Has anyone used these? : r/chefknives

A Father-and-Son Design Team Created the Easy-to-Use Horl Sharpener - Core77

Tumbler Knife Sharpener - Does it work?

Tumbler Knife Sharpener: An Honest Review

Tumbler Original Diamond Rolling Knife Sharpener Set – Tumbler Rolling Knife Sharpener

Spring arm holds cups level and securely. Support beam keeps arm from sagging. Ridged disc serves as a way to remove arm with cups still attached and as a base for additional decorating that doesn't require the Spin It machine. USB powered. Adjustable motor speed. This 5.1x6.3x10 inch package contains one spring arm. Imported.

We R Spin It Pro Tumbler Turner

Tumbler Original Diamond Rolling Knife Sharpener Set – Tumbler Rolling Knife Sharpener

Tumbler Knife Sharpener - Does it work?

A Father-and-Son Design Team Created the Easy-to-Use Horl Sharpener - Core77

Tumbler Knife Sharpener Review! LEGIT OR SCAM?

Real TRICK to SHARPEN knives using the Tumbler Rolling Knife Sharpener

UPDATE: The Tumbler Knife Sharpener is a Knock-Off - Core77