The helix piercing is mostly used to wear a Stud or a small captive bead ring. It is done on the upper part of the ear and is also called Rim or Pinna Piercing or Cartilage ring.
Helix and lip piercing
This piercing picture was submitted by aliciaanarchy.
Triple Helix with my newly stretched lobes at 12 gage
This piercing picture was submitted by Paige Lewis.