He's watching me with rapt attention because I've got a doggy biscuit balanced on top of my camera, and he's absolutely determined that next door's pesky cat, who's always lurking on the other side of the garden wall, isn't going to get her paws on it any time soon.
The Wonderdog is a miniature schnauzer, but this size of bandana would work for any small dog of similar proportions.
It's been knit with double knitting wool on 4 mm needles, which gave me a tension of 17 stitches x 27 rows on a 10 cm x 10 cm/ 4" x 4" square, and it can be made with scraps of wool from your stash.
Just read on for the pattern: