This seems like a good thing to focus on using a video clip. That is, unless it is a trade secret.
Go here http://lynnblakegolf.com/gallery/sho...ry.php?cat=517 and click on my Swivel video (shot in 2005 during the Academy at Woodmont). This isn't exactly the definitive word on the Finish Swivel, but it is a good 'opener'. Also, I think one of the Hinge Action videos differentiates that action from a true Swivel, but I haven't seen them in a while and am not sure.
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