Actually, screw what I said about his trail armpit in my video, I need to add this I think. It'll be interesting to see what the correct answer is at the end. But here's what I need to add to the backswing priorities... meaning what I said about the downswing possibly shouldn't even be brought up to him if this is an evolvr lesson... and if it's just a one hour lesson, it probably should'nt be brought up to him. If it's a clinic, then I think I can tell him about the downswing stuff.
OK, some images I need to add about his backswing.
As said before: 1) Shoulders Turn too flat 2) hips translate away from the target 3) lead knee kicks in excessively and 4) the arms lift and overload
Now, initially, I wasn't going to mention the arm lifting because I thought him turning his shoulders steeper would fix that... and it would fix some of it... but I think this guy needs to be told to not lift his arms. He also I think needs to be told about the pressure points in the trail armpit and why they are important.
If it's a clinic, his arms can release downward from there as his pelvis extends and thrusts and his legs straighten.
Upon a second viewing, I think I would change what his trail arm is doing, rather than just seeing if a steeper shoulder turn alone would change his hand path. I'm not 100% sure it would, so that's why I'm adding this part.
And yes, I'm changing him from a 2 plane swing to a 1 plane one... Oh well.
Again, I think I'd use the same drill for him. Put a club by his right ear and have him make "half backswings" and then hitting the ball. His head shouldn't touch the grip of the club I'm holding. I'd monitor his lower body movement and inform when it's translating back excessively.
As he turns his shoulders steeper with a shorter backswing I'd ask him to maintain those pressure points in the trail armpit.
Then if we could get a chance to get to the downswing, I'd tell him what I wrote above: arms release downward, pelvis thrusts, legs extend more.