What is being demonstrated here ?

The Mike Austin Swing , which was used to hit the longest recorded drive in a professional tour event .
Balakrishnan was the only one to hit a hole-in-one . Fantastic work dude !
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Dec 22nd, 2009 by Chandrakant
What is being demonstrated here ?

The Mike Austin Swing , which was used to hit the longest recorded drive in a professional tour event .
Balakrishnan was the only one to hit a hole-in-one . Fantastic work dude !
Mike Austin Swing
Just a wild(est) answer, simply – Demonstration of Full-Swing??
Slow motion photos (of the type pioneered by Muybridge) to check if a golfer lifts his foot during his swing.
golf