 Observing that their uncle and the others are all very flirtatious, they decide to pretend that the non-existent cloak is magically "visible only to true lovers, and absolutely invisible to flirts of every degree".When Pierrot and Arlequin return, they test out the ruse on them, pretending to admire it on each other, challenging the twins to describe it and letting them come up with justifications each time they get it wrong.Although convinced that it is real, the brothers admit to each other in private that they couldn't see it, but blame themselves for their flirting.