How to sharpen dull knives - several working methods

Hi, I'm going to show you some knife sharpening methods, for this lesson we only need 5 minutes of your time. Thanks for watching.
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#sharpener #knives #guide

[@TrueBeliever6491]

Not brake pads unless you don't mind breathing fragments of asbestos.

[@ozzplasencia1416]

Worst ideas ever....