The lever system is one of if not the biggest speed producer and critical skill to learn. It starts with the proper grip. Then it is how do you get the club to accelerate. How do the hands work, what is the correct path of the arms. Being able to create the correct lever system, the L to L. And finally how do you get the club into the correct arch so that it is very stable through the ball. These are the basic tasks that should drive your swing. With out them it is hard if not impossible to reach your distance and control potential.