Have you measured your swing speed and realized you should get more yards based on how fast you swing the club? Swing speed isn't the only factor in how ...

(Editor's note: Golf Digest is a minority investor ... most importantly for me, getting a proper hip turn that created a swing path that was much less in-to-out and far easier to control.

The Mustard Golf app is the latest offering from the ... swings and swinging to miss an obstacle placed outside the proper ...