A multiplex shower is a pattern where one hand does multiplex throws, and the other hand catches objects and passes them back over to the multiplexing hand.
4 ball duplex stack shower
Siteswap : [75]121
4 ball duplex split shower
Siteswap: [43]1
5 ball duplex stack shower, accumulating 2 balls in one hand before passing them across.
Siteswap: [53][11]
5 ball duplex stack shower, accumulating 2 balls in one hand after passing them across.
Siteswap: [97]121
5 ball duplex split shower
Siteswap: [54]1
5 ball triplex stack shower
Siteswap: [975]121[22]1
5 ball triplex split shower
Siteswap: [754]121
6 ball duplex stack shower, accumulating 2 balls in one hand before passing them across.
Siteswap: [55][11]
6 ball duplex stack shower, accumulating 2 balls in one hand after passing them across.
Siteswap: [b9]121
6 ball duplex split shower
Siteswap: [65]1
6 ball triplex stack shower
Siteswap: [b97]121[22]1
6 ball triplex split shower
Siteswap: [875]121