Tire bead breaker tool?

[wrench136]

I don't what this is for. Was thinking there would be a strap or something that would go around the tire and connect to the ball and pins part on the shaft.
AOL is 18" Any ideas?

 

[wrench136]

Mystery tool solved. The inner workings of a shoe stretcher !!

 

[RTM]

Oops, thought I answered that ages ago.