The Coup De Grace of Looking cool occus when these three skills happen one after another. It not only makes you look cool, instantly makes your group think you've got a lower handicap than you do, but it trains relaxation in your shoulders, arms and hands.
Bend forward and let your arms hang. This is how your left arm should be at impact. Your left hand grips where it naturally hangs so that momentum squares the face at impact.
Fewer than 2 or 3 people I have worked with have had a correct grip. A correct grip is one that fits you and your body. Everything in golf is done with your hands so having a correct grip is critical.
This is part 1 of a more complicated move. Learn what it is and how it increases distance automatically. Warning: Looking too cool can be dangerous.