Lynn Blake explains rhythm and hinge motion.
What's great about this video is:
1. You can see where "left side connection" can be used in the swing and how having that connection can provide proper rhythm.
2. Lynn shows why he's not only extremely knowledgeable about the golf swing, but is a fabulous explainer of the golf swing. His Web site goes very much into numerical references of The Golfing Machine book, but that's because it's meant for TGM'ers. But here shows that Lynn can drop some knowledge that even Joe Hacker can understand.