Snapping the left leg straight near impact brings a whole host of issues into not only the swing itself but also can cause injury. John Daly (above) never had to snap or extend his left leg in an effort to create power- such as other long drivers are prone to do.
Tighter circles of motion create faster movement. Learn how you can maintain the swing arc better to help create more speed and much greater control
Never try keep the head in the same spot- it can and will move based on how well we use the ground and turn our body. Find out more in this video
A full release asks for the entire rear side to drive and move with the release. Using the ground correctly in the downswing can help lead you to this added benefit of power and control.
Using the ground correctly is the ultimate way to control the longer clubs. It's not down a downward force. Tighter faster motion of the club begins with the footwork. Learn more here
Gary Player's walk through was not to do with poor balance- it was all to do with ground pressure and a level rotation Watch and learn why his intentions were great and this move through impact is nothing to be sneezed at.