Markwort The Learning Curve Training Baseball: FIN

Product Features

• Teaches Mastery of the Curveball. Easy to Use Training Aid for Pitchers and Batters.
• The “Fin” Makes it Easy to Throw the Curveball.
• Develops Pitching and Hitting Skills.
• Durable Rubber Construction Makes Ball Easy to Grip while Teaching Proper Finger Placement and Hand Motion to Throw a Curve Ball.
• Increases the Curve Rate to Provide Pitchers with Greater Visual Feedback to Help Improve the Learning Process.
• Provides True Pitching Motion and Visible Ball Rotation to Help Batters Improve their Curve Ball Hitting Skills.
• Recommended for Use with Pitchers Ages 12 & Up and for Batters of all Ages.