Toe up at address forces hands up and early extension
The instructor points out the player's toe sits way up in the air at address, so he has to raise the handle and hands a good bit through impact to square the face. He says that raising up is what causes a lot of early extension, and connects it to the club's lie angle.
Channel: Grant Horvat Golf
Watch official source at 8:01Why this context matters
Instructor stops short of saying the clubs are too upright; flags it as worth a lie-angle check.