ear tunnel vs flesh tunnel

ear tunnel

noun
  • A round piece of jewelry with a hole in the middle, which fits into a stretched earlobe. 

flesh tunnel

noun
  • A short, hollow, cylindrical piece of jewellery worn in such a piercing. 

  • A piercing in the earlobe which has been deliberately stretched to achieve a larger gauge. 

How often have the words ear tunnel and flesh tunnel occurred in a corpus of books? (source: Google Ngram Viewer )