Nothing crushes, or resists crushing, quite like a viagra firm cock. I wanted to see if his lovely dick could, on its own strong merits, withstand the pressure of being pressed, trapped, and crushed under my arch first and then my heel. I actually stood nearly my full weight on his glans -- with the sharp point of my shoe's heel, as a matter of fact. If he weren't rock hard I think I might have hurt him. As it was, I only left a nice heel print indentation!!