Because no one on earth wants to buy it.
Anything you want!
It was a wannabe wallaby!
You are a duck. No one could identify you without describing every other duck on earth.
A rental car.
One of them has shiny bodyhair and smells like cod, the other one is a mammal that lives in the sea.
Pick a cod, any cod!
I don't know. Let me think. *pictures self riding jet ski made of bones through space*
Cosmonants & Astronants!
The cat shat on the mat.
A short one!
He was afraid the ring would give him away.
A roe model.
They're practically non existent.