Notice: This comic is without text. Panel 1: A blind person with a cane, and a sighted person with a helmet and a bike, shaking hands good-bye. -- Panel 2: The blind person looks sad. The sighted person lifts his finger and explains something. -- Panel 3: The blind person looks relieved and lifts his cane, the lower end of the cane flashes. -- Panel 4: The blind person happily sits on the cane which has a rocket flame in its back, and flies away. The sighted person waves his hand.