What part of Fly Fishing ONLY don't you understand?

What part of Fly Fishing ONLY don't you understand?

$30.00Price

One of my buddies, Billy Hyatt from Las Vegas, was mymodel for this painting.  The model for the fly came straight out of my warped brain.  

 

Poster is 11" x 14" and comes in a protective plastic sleeve mounted on foamcore backing.