I would like to know more about the figure 8 strap but I can guess it is used to somehow tie the arms together for practice. On another note on FLW. I have a Tac-Tic and love it. I have used it a great deal but had some trouble hearing it sometimes (driving around in Tanks hearing loss). Anyway, I looked around and found the PureSwing at RoverGolf and love it as much or maybe more. It is a club that allows you to feel a FLW through an extension on the butt of the club. Go to RoverGolf and give it a look. No I don't own RoverGolf. I purchased the PowerAngle Pro and then decided about a month or so later to get the others and the owner gave me the package deal (when he didn't have to). Nice folks and fast service.
Also, I do have the plane lasers from Clyde and had some trouble with the lasers too. Emailed him and he sent two new lasers in less than 3 days with no problem.
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Kevin
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Thomas Edison knew 1800 ways not to build a light bulb.