The most popular grip is resting your left index finger on top of your right fingers. Do not interlock your fingers.
Dynamic loft is where the club is and how much loft is in the clubface when you hit the ball at impact.
This drill teaches you to soften your arms and shoulders and focus on and feel the Lever System in your swing.
Performing the pulley drill creates the same force applied in your left and right foot in a golf swing.