(Also known as the Perfect Circle)
The Windmill Trainer, aka The Perfect Circle, is a training system designed to teach the proper placement of the hand in the release zone. This training system is a great pitching aid whether you are working on basic mechanics or on the advanced pitching mechanics of the windmill motion such as the Fastball, Change-up, Dropball, Screwball, Riseball, and the Curveball.

The Windmill Trainer
U.S Customers SRP : $34.99 + $5 shipping & handling U.S. Total : $39.99
$34.99
International Customers
(for shipping outside the U.S.)
SRP : $39.99 + $5 shipping & handling
International Total : $44.99