The Greatest Lie in Vertical Jump Training

Have you ever got scammed by an online coach who promised you a higher vertical? I have. And not just once.
I trusted every coach because they probably know what they are saying. I was wrong.
These coaches have a few useful tips, and they make you believe that they are professionals, but they don't see the full picture.
I have spent the last few years looking for answers. I have read lots of books, spoke with professionals, and tried everything.
In my short e-book, I'll explain the basics of training your vertical jump, so you won't make the same mistakes as I. I'll further show you 4 great exercise as a bonus!