Myself. And I know the basics, even damaged. I've proved that, by living through it. Minus some internal organs.
But to purport to be a training site without starting at the beginning....
And to pimp a blog like that without posting that 'lifesaving' information, that lacks some of the lifesaving part....
That smacks of naivete or collusion.
/johnn
Practice until you can do it in your sleep, chief.