: Basics of direct vs. indirect damage.
An oil can (a panel that pops in and out) means the metal is stretched. The old method was to add more filler. The method is to use a slapper file . : Basics of direct vs
The goal is to move the metal back to its original shape without stretching it, which would cause the panel to become "oil-canned" or flimsy. The Principles of Panel Beating : Basics of direct vs
Use a glue pull tab to yank the main low out. Do not pull perfectly flat; leave a slight double-low (a crater). This gives you something to bump against. : Basics of direct vs