If you have a cat you have probably been licked / tickled by their rough tongues more than once. And we know the critical role the cat's tongue plays in their never-ending grooming. But these photos of cats' tongues up close will give you a new visual of this remarkable "tool."
As noted in the cat's entry in Wikipedia:
Shown here is Milo tongue, a photograph by Malingering. Click over to: Cat Tongues Close Up - Mmmmm, for more of these intriguing and creative photographs. Related book of interest: Professional Techniques for Pet and Animal Photography