Project Farm has done a few videos on knife sharpeners. His testing is usually pretty straight to the point
https://www.youtube.com/watch?v=I9Lu71ewVSw
https://www.youtube.com/watch?v=KBINMUdlJ14
https://www.youtube.com/watch?v=uEDyYJJ6f9M
I actually was just re-watching them as my whetstone has seen better days, and I’m pretty sure it’s now too curved to continue on
I got you fam