Wiktionary
false shower
n. (context juggling English) A pattern in which all the props (usually balls) are thrown in the same direction like a shower#Noun, but with the hands crossing and uncrossing.
Usage examples of "false shower".
And of a man I have often imagined, a German designer, getting up each morning, having breakfast, going to his office, sitting at his drawing board, neatly rolling back his sleeves, and then very carefully, with detailed india-ink drawings and precise manufacturing specifications, designing false shower heads which would presently loose poison gas to kill people by the millions in what were literally factories of death.