(UPDATE 2019) Since this video I've found a much better method for getting Lag Tension and gives MORE face control without any artificial leaning.
Dr Kevin's Book
https://amzn.to/2S22A86
Voice Caddie 2
https://amzn.to/2DLHuaR
Dr Kevin's Book
https://amzn.to/2S22A86
Voice Caddie 2
https://amzn.to/2DLHuaR