They're willful creatures, it's true.
But Bartleby and Jinx follow each other around all the time. Not just chasing each other (although they do that), but running staggered/parallel to each other - just making their rounds around the house.
That seems like an essential element for herding, although I've never personally herded anything before.
2014-10-24: For the Weekend: The Drop...
10 minutes ago