THE 5-SECOND TRICK FOR LAUGHING GAS CHOCOLATE BARS

During the Betty Boop cartoon "Ha! Ha! Ha!" opens with supposedly Max Fleischer's hand drawing Betty Boop over a sheet of paper. When Max leaves the studio, Koko arrives out in the inkwell to the very last time, and starts off taking in the sweet bar Max had still left around the desk. Presently he develops a toothache, so Betty draws a dentist pla