Most rolling sharpeners on Amazon right now are clones. They look identical to the real thing — but they're missing the two details that actually matter. Real diamond-infused discs. And a magnetic angle lock that makes it physically impossible to mess up. Without both, you're just slowly grinding your knives down to nothing. The video above walks you through three checks that separate the real ones from the fakes in about ten seconds. Worth watching before you spend a dollar on anyone's roller. Hatori passes all three. 60% off + free shipping for a limited time, and a 60-day guarantee if you want to run the checks yourself at home.
Not enough history yet to show a trend.