Its called cankles Charlie. She also has the shortest heels of the group. That tells me she is less skilled because she could not walk in higher heels.
You simply have to process all the data so that you are fully informed when making such decisions.
p.s. I prefer the ones with the shorter butt cracks. i.e. from the left, #s 2, 4, 8, 9, and 10. Nothing personally against long butt cracks.....but, if I have my choice...