In this video, Shane Jacks of Dent Pro Upstate, LLC and PDR College, LLC performs a method of shrinking metal with the Power PDR Box. This dent was started by another tech, and taken to a point of "oil canning" that is very difficult to reverse. The repair was done completely paintless, save for minor spraying needed underneath the hood. FREE Advanced Paintless dent repair training from an expert in the field.