Some great information from Cliff Swain.
Facebook: https://www.facebook.com/thecliffswain
Website: https://www.cliffswain.com/
This commentary was included with the video in the original post on Facebook.
“Bend as little at the waist as possible. Chest up, wider stance, little more knee bend. All of these things avoid a vertical or diagonal pendulum type swing which leads to loss of power and loss of the ability to hit it DOWN THE LINE!!!”