Great Battle Map Drawing Tutorial

This video starts off as a review & discussion of some Pathfinder 2e module called "Fall of Plaguestone" but around 20:40 "Classic DM" (T. Elliot Cannon) begins showing you how to draw good-looking battle maps. I thought this was a very good tutorial and easily adaptable to non-Pathfinder purposes. I'm not great at drawing battlemaps, but I've always wanted to improve.

It looks like Classic DM might be making this a series - on Oct 1 he uploaded a second tutorial video focused on "the Indigo Oasis" module.