Clubhead speed at separation

[O.B.Left]

Also, how does clubhead lag at impact make the clubhead harder to decelerate during impact if clubhead speed is 100mph at the exact moment of first ball contact?

Jeff.

I thought we'd eventually debate the flat left wrist and now here we are, at the beginning.

Jeff this process could take a while. It took Homer 40 years to write the book and we're moving even slower.