"With Tempest Kung Lao uses more spinning attacks and has the ability to set his hat to spin around him as a shield of sorts. In his Buzz Saw variation his hat is sharpened with razor blade edges and allows the player to control his hat throws more. Hat Trick is the most experimental of the three, because you can throw and call back your hat at any point you want. This keeps the opponent on their toes, because the hat can extend combos."
OMG! The description of those variations though!!!