The author of this pattern photographed the sock with a V pattern down the instep but the pattern itself didn't include those instructions. I liked it so much I played around with cables until I figured out how to replicate it. It took days to figure out too since I had to match the cabling with YO's and decreases. It might not be perfect but I like how it looks.
I used Hazel Knits Artisan Sock in Deep Peacock and pattern Ivy League, available through Yahoo Fun_Sox group. I like the look of the V shape on the instep, hopefully I'll be able to replicate it for other patterns.