How Its Made Season 20 episode 5 Slippers.<br />How Its Made Wood Burning Stoves, Orthoses, Ballet Slippers, Buses How Its Work How Its Made is a documentary television series that premiered on January.<br /><br />How Its Made Season 20 episode 3 Road Reflectors.<br />Chinese people take off their shoes at home and wear slippers in winter, flip-flops in summer.