Swing type athletic equipment and practice apparatus therefor
Swing weight apparatus for attachment to a golf club head
Swivel or rotating golf club head
System and device for golf putting practice
System and method for training a golf club stroke
System for custom fitting a golf club to a player
System for determining performance characteristics of a golf...
System for predicting the distance which will be imparted to a g
System, method, and apparatus for athletic swing training
Systems and devices for controlled putting
Systems and methods for fitting golf equipment
Systems and methods for fitting golf equipment