The first item on this list comes from the very first Mario Kart installment: Super Mario Kart for the Super Nintendo Entertainment System. And you know what? This item only appears in that single game, it is gone for good after that entry. The reason is simple: this item is useless. Its name is the Cape Feather. The Cape Feather gives you the ability to jump above pits and find shortcuts. This item is only useful in a few tracks. In later Mario Kart games, there are jumps everywhere in the tracks, so why need a Cape Feather altogether?