It's clearly intended to be for enjoyment and practice.
Like the guys who make videos of sharpening a grocery store knife to an atom width.
Like the guys who make videos of sharpening a grocery store knife to an atom width.
And maybe you'll find this interesting: Sharpening a wooden knife: https://www.youtube.com/watch?v=kKH63_r0OCA
And his cats are remarkably well behaved.