Good smashes on the fender can turn into a nightmare if you don't attack it right or don't have the right tools. Luckily, I had a great PDR tool to help prevent fender edge blowout.
I call TJ from https://dentcraftools.com and talk about the latest fender edge support tool.
visit https://www.denttime.com and listen to our new podcast http://www.denttimepdr.com
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Latest example: https://www.dentremovalsandiego.com
You can also see more of my posts and tutorials at