Batman and Robin manage to capture one of Catwoman's henchmen who along with a new single called "Catusi" by Benedict Arnold and the Traitors leads them to a nightclub called the "Pink Sand Box", which is Catwoman's new hideout, it soon turns out to be a trap, however.
The dance, which became popular in the American surf/beach sub-culture of 1960s, may be enhanced if one imagines that one's feet are on sand.