Hair of the dog (3)
(Other definitions for fur that I've seen before include "Garment" , "Eg, sable or mink" , "Hairy animal's coat" , "Animal skin like mink or sable" , "Hard water pipe coating" .)
(Other definitions for whisker that I've seen before include "Long facial hair" , "Long stiff hair, of a cat say" , "Coarse hair" , "narrow margin" , "Bristle; small amount" .)