That's a good video, and the way I've always skinned hogs. Sometimes a boar with a thick shield, I'll split the cape down the back like this to take the bow out of the hide. No reason to field dress, and it's about just as easy with the hog laying on it's back in the field.
I do it just like the guy does here at Raptor razor on the hog video. I use a utility knife with a hooked roofers blade instead of a raptor razor but same principle.
No gutting, no dragging, no hoisting and just carry out meat.