chuck evans has already been mentioned and I credit my improved short game to him.
Ideally you want to be able to practice this with a vision track but its not essential.
I will post photos that show how to set up your chipping station.
Chuck also told me that all short shots should be 'picked' up somewhat. 2 inches being the optimal height the club rises. This is the reason you put the block behind the ball
So the clubhead path it "out to the right" with angled hinging? I like the "2 inch pick-up" (right forearm I presume).
The landing spot for this example must be with a wedge...I mean, do you get that much airtime with an 8 iron (which is the issue for me, useing irons not wedges, which seem to come off hot).
Do you zero out Accum #3? Do you use a putting or traditional grip?