The Perfect Circle develops muscle memory for pitching a softball correctly. Helps pitchers to keep the bottom part of the circle in close to the thigh. Perfect Circle Provides instant feedback without the need of a coach watching. Elastic band holds a square cotton flap that fits around the upper thigh and extends out a few inches into the pitcher's release zone.

Features:

• When practicing windmill pitches for softball, the arm should touch the flap every time
• Excellent pitching aid for basic mechanics or advanced pitching machines such as fast ball, change-up, drop ball, screw ball, rise ball, and curve ball
• Fits in your pocket
• Includes instructional CD and carrying case
• New larger size is 15"-17" in circumference.

Product Details:

• Item Package Dimensions L x W x H: ‎8.74 x 5.35 x 0.51 inches
• Package Weight: ‎0.06 Kilograms
• Item Dimensions LxWxH: ‎3 x 3 x 3 inches
• Brand Name: ‎Markwort
• Color: ‎15-17in
• Manufacturer: ‎Markwort
• Part Number: ‎PCIRC-A515 - 17-Inch
• Size: ‎15 - 17-Inch
• Date First Available: May 2, 2012