FEATURES: The Perfect Circle develops muscle memory for pitching a softball correctly Helps pitchers keep the bottom part of the circle in close to the thigh Provides instant feedback Fits 13" - 17" thigh circumference 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 Instructional CD and carrying case included Country of Origin : Imported DSG Pro Tips Brand : Markwort Web ID: 21MKWWTHPRFCTCRCLTRA SKU: 21692363