Hold one arm out with your palm down and with the other hand push all five fingers up and back to stretch the flexor on the bottom of your wrist
The roll of the right leg in the swing is very misunderstood in golf, it is extremely important for control and distance, as the club comes into impact the right knee, foot and ankle roll in and at the finish the right thigh should catch up with your left thigh
Develop control and feel for pitching distance by creating a set position on the backswing as your benchmark and then vary your shot distance by the power you swing with