Step 1:Work the dent from underneath as usual until a “plateau” of effectiveness is encountered.(Note: the reason this happens is because the corners are still holding the dent.

Step 2: Use the Dent Dollie to knock down the high spots that are wrapped around the corner, and to release the stresses holding down the “flat spot”

Additional comments:
-There are three different radius of Dent Dollies to best match the contours of body corners
-Changing the strike angle can change the way and where the metal is raised.
-Start light