Already shared by others - Clickspring - the clock making guy has outstanding videos.
This guy is good too for a DIY home shop:
https://www.youtube.com/user/GrunblauBMO/videos
I'm working on my teaching channel too - very little on it yet, but currently working on a rather interesting set of methods. Should be up in a few days:
https://www.youtube.com/channel/UCKiPgd_YAfsz5_yT7aEiZCw