This The Funpop fankunst contains
infielder, first baseman, erste äcker, erste baseman, erster sacker, erster basisspieler, erste sacker, schiedsrichter, and ump.
This prank is absolutely hilarious. Replace the mirror in a restroom with a window pane, place a set of identical twins in identical rooms opposite each other and proceed to prank everyone who walks in. :D