Just need some patience and help

So I’ve listened to a few runs of ToA and I’ve read the module also looked at some supplements here and the tortle package alongside use of YouTube. I don’t grasp or understand hex crawling and it kills me I just can’t seem to understand it and I want to run ToA so I need to don’t I? Anyone got any really idiot proof videos that they know has worked for them. I am a kinetic learner so if I’d played with a hex map before I might’ve been ok alas I haven’t