I'm Not So Sure...

Obviously, I like beer as much as the next guy (or gal, as the case may be).  

As it turns out, someone has taken beer yeast to a new level.  It has been located (and used in beer brewing)  in a place most people won't go or event think about...

Here is your clue.....

 No, not the dog.  It is has been taken from the other hairy thing in the photo.
 
In this case, I'm just not sure I'm game....