A couple video links to help young hitters from dropping the back shoulder. I continue to notice this throughout winter workouts and correct each week but I continue to see this after multiple reps. Plus a weight transfer for those who continue to struggle with the weight transfer.

SHOULDER:
https://www.youtube.com/watch?v=LPnug1rHwms

https://www.youtube.com/watch?v=wWifRMGH2-o

WEIGHT TRANSFER:

BEGINNERS:
https://www.youtube.com/watch?v=Jjn_oRCMR2M

ADVANCED:
https://www.youtube.com/watch?v=Vrtwikck6M0&ebc=ANyPxKrInXmX7tp_PwIxWjHhKc9laAfAQC3RWc7sz0YW_Jhh2rNwfk8g-0Zzrjv9znBuXjTCHzbBLMMq1OaZFcmgoy9LVnGTnA