topspinpro.com/ref/d.clifton/
www.buymeacoffee.com/friscote...
The TopspinPro is a great teaching tool for learning exceptional topspin.
This is a great resource for beginner and intermediate players looking to learn the mechanics of a great topspin swing.
In this video, I give a brief demo of why this machine helps one learn the mechanics for a topspin swing.
8 май 2017