I've just discovered this:-
If I select, 'Display nothing on this monitor', for Monitor 2, then go into Windowed mode from monitor 1 and extend the window to cover both monitors, the featherdusters then wave in the current and retract as intended. Even though they are then showing on monitor 2..... Strange!
Returning to, 'Display screen saver on this monitor', for Monitor 2, and the featherdusters become static once again. (In a window, or not in a window.)
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