But Wait! Before it can be blasted....

Soooo.. called up the blasting company to validate some information prior to dropping the misses off out there.  Turns out, as I had suspected, that the sand blasting process won't do much for removing the undercoating on the car.  Since that stuff is made of a rubber substance, blasting a media at it just kind of bounces off.  Using the required force to remove it can damage the metal.  Here's what I did to get rid of it..