"AIROTee" is a training aid that controls and improves your Driver Swing!
The driver is in the upward movement. Ball becomes less spin which will cause more length because a good angel of attack.
Consequence: Tee is hit in the upswing, will turn several times and will remain immediately on driving place.
The driver is in the downward movement. Ball becomes too much spin which will cause loss in length because of a worse angel of attack.
Consequence: Tee is pushed downwards and will fly a bit more far away!