the goopy stuff

Wow really, you made some mopars? A month or so ago I was trying to imagine how exactly they applied the seam sealer and what they used. I re finished my trunk and used seam sealer from the auto paint store. I used a wide brush and a piece of cardboard.

And yeah, I made sure it looked sloppy! Does that seam sealer have silicone?? I heard some silicone can corrode and rust
bare metal.