[Yoda]

In real time and in sequence photo, you've seen children -- small children -- swinging a golf club back with a straight left arm. At no time have they been advised to keep their left arm straight, nor are they attempting to do so. So why is their left arm so straight?

It is because they are swinging the club back with their right arm. And that right arm is stretching the left in the process. It's the same motion we make when we wind up to throw a ball.

This is not hard.

This is a very natural thing to do.

Put your mind in your Right Forearm, keep your Head stationary, wind up and let it happen.