This energy is transferred to a Peltier-effect thermoelectric device that cools the wearer's forehead. A little radiator is mounted on the front to dissipate excess heat. Deep down we actually like this invention's concept. But, unless you dangle lots of little furry balls from the brim and become a Flamenco Dancer, we're afraid the Fashion Police will be issuing citations. Some patent numbers have been changed to protect the innocent.
All patents are real and on file.