Authorized Stamina Dealer. A fun way to focus on the arms. The Gyrotonic Baseball Set Accessory offers a regulation size baseball to help you focus your Gyrokinesis workout on your arms. Baseball and softball players will benefit from training with resistance and regular Gyrotonic and users can use the Gyrotonic Baseball Set Accessory to add diversity and fun to their workout. The Gyrotonic Baseball Set Accessory attaches to both Gyrotonic and machines. A fun way to focus on the arms. The Gyrotonic Baseball Set Accessory offers a regulation size baseball to help you focus your Gyrokinesis workout on your arms. Baseball and softball players will benefit from training with resistance and regular Gyrotonic and users can use the Gyrotonic Baseball Set Accessory to add diversity and fun to their workout. The Gyrotonic Baseball Set Accessory attaches to both Gyrotonic and machines . click to read more