“Hallo, Rabbit,” he said, “is that you?”
“Let’s pretend it isn’t,” said Rabbit, “and see what happens.”
― A. A. Milne

Ridiculously Floppy Eared Rabbit Hood. The directions include how to make one for every size from the teeny tiny to the gargantuan.
The sample pictured was made for a uncooperative 100 pound dog.
Pictures of many of the steps. Written in American Crochet Terminology