Mucken or Muck is a variation of the popular German card game Schafkopf. However, unlike Schafkopf, it must always be played in teams of two players, so there are no soloist or Rufer contracts. Mucken
Typical Mucken hand using Franconian-pattern cards
The Unter, formerly Untermann, nicknamed the Wenzel, Wenz or Bauer, and also called the Under, is the court card in German and Swiss-suited playing cards that corresponds to the Jack in French packs.
The four Unters in a German pack of cards (Bavarian pattern, Stralsund type)
An Under of Acorns in a Swiss German pack, c. 1850, with the acorn near the bottom