My drafting teacher in high school swore by those 2mm lead holders for contour drawing. He said the thicker lead forces you to think about the angle of the point for line variation, not just pressure. I tried one for a while and it totally messed up my usual fast sketching style at first, but then I got it. It makes you slower and more deliberate, which is probably perfect for schematics. That old Koh-I-Noor stuff is built like a tank too, lol.

Oh man, that's so creepy. My smart plug got hacked once and started turning my lamp on and off at 3 AM. I felt like an idiot for using the factory password too. Now I use a password manager for all that stuff, it's the only way to keep track.