It's a joke he says all the time. She sits on the beach and signals ships. He also waved his hand off screen as if there was a ring on it that would reflect light for sailors to see.
@@minditpundit8660 As LB mentioned, it meant trying to get the attention of incoming boats or planes as a distress signal usually when someone got stranded on an island or was lost. The light that reflected back would catch the attention of sailors or pilots who would then radio out for help.
