Never underestimate the freak of the average man. I don't care what walk of life, there are men who will find the most messed up things sexy and will find the screwiest ways to get their rocks off. Seriously, imagine the most bizarre circumstance or object that you can think of and there is some guy somewhere in the world who has it in his spank bank.
EDIT: Good God, I just read the article. This idiot was actually so proud of his discovery that he put it on line for the whole world to see. And what's worse, there are literally thousands of guys seeing it and going.........Hmmmmmmmmmm.