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don't use honing steel. at best it doesn't do anything, at worst it damages your knife.

here's a closer look at it with a microscope. https://www.youtube.com/watch?v=Y4ReQ83CZOQ

Ceramic honing rod. Works amazingly well and is appropriate for japanese knives.

just a guy abusing his knife to prove he can't fix it using the wrong tool badly

No? The point was to understand what the tool does and when it can help. And he found out that if you have a Burr it can help. But if you have a properly sharpened knife without a Burr it won't do anything to help and will just destroy your edge.

microwaves are useless because they can't toast bread no matter how hard I mash the keypad

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