I've used both methods, depends on the dent, but I'm no expert in sheetmetal, far from it.
I thought after I said it and if you do use the hammer and wood I think you would need a straight backer to rest it on so you only move the part that needs it.
I thought after I said it and if you do use the hammer and wood I think you would need a straight backer to rest it on so you only move the part that needs it.