The chains went back for one final pull. Please note that you don't need your own frame machine to do this work, so you can stop filling out that loan application. Be creative. The key is to figure out how to apply force to the dent in the opposite direction of the force that created it. This can also be done by pushing on the dent with a hydraulic bottle jack or a Port-O-Power. We've even heard of people chaining the car to tie-downs in the garage floor and pulling on it with a pickup truck.