Bluemchen by Beate Zaech
Beautiful free pattern
Very interesting heel (and toe) treatment. FREE pattern. Two pages of completed projects listed in Ravelry. Promising!
Ravelry: Katerina21's QuietscheEntchen Is Going For Gold!
Knit Better Socks: Improving Afterthought (or Forethought) Heels Short rows at corners of heel to add extra stitches like a gusset would normally