Or rather, where not to.
I think he's saying don't put your non firing hand on your chest when shooting 1 handed? That goes against everything I've ever been told. Reasons were A) so you don't shoot it when getting dynamic, and B) it could cause your upper body to sway.
"If your weak hand cannot move to the gun then let it lie where it is and don’t change anything."
http://www.tridentconcepts.com/when-one-is-all-you-got/
He discusses this under the sub headings "Please Stop The Insanity" and "Stick To The Basics". I like what Mr. Gonzales has to say in general, but some of the things he recommends (roll shoulders back when shooting, stripping mags out of magwell when performing reloads, 1st thing he'd recommend to people to get better at shooting is hit the gym) do seem a little random.