I have been sharpening my own knives and tools for 45 years, and have been doing it in the same way since I was in my teens and my dad and I read some article (in Popular Science, maybe?) which Just Worked. My dad was a bit more patient than I have ever been and his edges always shaved hairs, dry. My edges are still quite good though. Anyway Ima procrastinating today and saw this HN item and hesitated, oh no, have I…
I've been sharpening knives for the past few years with https://chefschoice.com/products/chefschoice-prontopro-diamo... As far as I can tell it works great and requires virtually no skill or knowledge.
They do have downsides and are not the right tool if you are intent on spending time honing your skill, that's not their place.