Minecart with Dispenser

Minecarts with Dispensers are unimplemented vehicles that, as the name implies, is a dispenser in a minecart.

Other than the screenshot shown below, no detail about its use, function, or activation method were published.

Trivia

 * the dispenser minecart actually DOES exist in minecraft, buy the only way to spawn it is to use 3rd party programs and mods, such as Single Player commands, but it does not function in anyway, and has no special properties other than being unrideable