What are your favorite YouTube channels about mastering a craft or skill?

Easily Mike Boyd!

The beauty of his channel is he doesn’t allow himself to use the internet or look anything up. It’s all trial and error, (and the editing is really well done)

TheTerrainTutor and BoomerDioramas, whose channels can be found at the following links: (https://www.youtube.com/@TheTerrainTutor) and (https://www.youtube.com/@boomerdioramas), respectively, played significant roles in introducing me to the world of hobbying, dioramas, and wargaming terrain.

https://youtube.com/@FoldableFlight

Paper airplanes! Very low effort, high reward, especially if there are kids in your life.

Essential Craftsman

He teaches you how to build entire houses... and in general how to be a great Father/man.

I was an electrician for a few decades or so, and this fella'is legit.

Andy Guitar He is teaching me how to play the ukulele.