TricksWithHats
Turn your head to the left, then reach over with the right hand to grab the front of the brim (in as close to an inside grip as you can manage). Lift the front of the hat and remove it from the head so it is upside down above the shoulder. Straighten the arm so it ends in an inside grip at arms length.
Turn your head to the right so you are looking at the hat, flex the wrist so the hat lies inside the forearm then bend the elbow and replace the hat on the head (with your hand at the back).
Repeat on the other side.