Do you believe that the shaft behaves this way during the swing?

http://youtube.com/watch?v=8fOEnprofIM

I personally do not suscribe to the theory as the hands act as a clamp and will not allow the shaft to rotate.

I do however suscribe to the following:

http://youtube.com/watch?v=oncXSFLR5RE&feature=related

http://youtube.com/watch?v=7NVu4BqRFTQ&feature=related