If the last one was death for some people, this will be ten times worse. This video was made for an exclusive, small but very loyal readership of this blog, who are interested in this sort of thing.
I'm choked that I've made at least one error while describing the process, simply because it is complicated, and requires focus to manage all the details. I screwed up on one point, 9:33 in, where I forget to adjust the positive/negative. Ah well. It's not like I rehearsed.
This, at least, should show to what extent I'm willing to go for this business.
Well, you could do it with pencil and paper ... but, it's going to take longer than you have to live.