Since it is too dark to identify where the front of your armpit is on the video, I cannot say with certainty, but this looks okay to me. I would not lean back any more than that, however.
Coaches:
Now with the Fall Classic coming up, I've begun to worry that I have too much layback. Would this lift be OK: https://www.youtube.com/watch?v=Ax35xC2GPHM. Thanks.
Since it is too dark to identify where the front of your armpit is on the video, I cannot say with certainty, but this looks okay to me. I would not lean back any more than that, however.