Using Iron Armor from Harbor Freight on my Fake Ford Raptor bed. However, you can use a paint roller with Rust-Oleum, Dupli-Color, Raptor, or Herculiner. The process is the same for prep, but the texture and quality of the products may be different.

Products I used:
Iron Armor bed liner - https://amzn.to/3usxKbR

Other products to check out for roll on or spray applications:
Herculiner - https://amzn.to/3wxS4dI
Dupli-Color - https://amzn.to/3dA78yY
Rustoleum - https://amzn.to/3wxBMBJ

Spray on application only:
Raptor - https://amzn.to/3dCQLlf

Intro 00:00
Prep 00:10
Rails 00:53
Rails Result 1:43
Sanding Bed 1:53
Secret Tools 2:31
Trick to get corners and cracks 4:00
Application 4:22
Result 5:35