Nice job with the practice ball. I agree that those are good contact points to practice. FYI, another good point is the maximum-english-effect point at about 4 and 7 as demonstrated and illustrated here:
http://billiards.colostate.edu/threads/English.html#drag
PS: I like the cat in your videos.
http://billiards.colostate.edu/threads/English.html#drag
PS: I like the cat in your videos.