No man would like to move around in dusty shoes, be it neither a work place nor a party. So shoe polishing is not a matter of having your shoes clean but a matter of prestige before a crowd. Here is a nice video on how to polish your leather shoes. Cleaning, waxing on and off, bulling and having your shoes in shoe trees are crucial part of this video. I would be happy if the narrator is bit more serious in his tone!