I have never seen this before. I am assuming it's the same thing behind the right hand thumb switch on a big rigs shifter.   If any...

This is one cool machine. A real cool article with links, and more pictures HERE.         

    More pictures and details HERE.     

SO VERY PRETTY!!   

I admit. I am not a big vette fan, however, this is about one bad ass, machine.   Click HERE and check this out.