When George Bamberger was coaching in the Puerto Rican leagues, he met a Puerto Rican doctor who commented on the mechanics of throwing a baseball. From this discussion, Herman Starrette and George Bamberger discovered the idea of "wrist-popping."

When they tried to teach this action, however, they realized it was almost impossible to describe the proper hand positions without a mechanical baseball pitching aids. After extensive effort, they perfected the Zip Baseball Trainer, a baseball pitching aids that helps discipline the proper hand and wrist muscles, as an aid in improving baseball pitching skills.

Simple to use, the Baseball Pitching Aid develops a proper grip and wrist action. Regular use of the Trainer as a baseball pitching aids will correct bad throwing habits and improving pitching accuracy, speed, and distance.

In just 2 weeks, the Zip Baseball Trainer aids in developing the baseball pitching and throwing mechanics which ordinarily take years to learn. With younger players, poor throwing habits can be eliminated. With older players, the Trainer aids in developing stronger baseball pitching skills.

The Zip Baseball Trainer has proven itself as a baseball pitching aids to assist ball players ages 11 and up, at every ability level and position, to improve their throwing accuracy, distance, and speed.

Since 1990, the Zip Trainer, a baseball pitching aids has been available through Team Sports. Now, Kanes Forms has purchased the entire remaining inventory of Zip Baseball Trainers and Curveball Trainers, and is making these invaluable baseball pitching aids available at a reduced price, while supplies last.

More information about the Zip Curveball Trainer.

Zip Baseball and Curveball Trainer are invaluable baseball pitching aids. These baseball pitching aids are for players 11 and up. These baseball pitching aids help develop better pitching skills. These Baseball pitching aids are now available online. This training device is great for baseball pitching. Improve baseball pitching skills with these baseball pitching aids.