Woolwax is your best bet against rust. Woolwax™ is not just "covering it up". Woolwax™ is a corrosion inhibiting protective coating that will seal out any moisture and oxygen from from getting to the base metal, or existing rust. Three things must be present for rusting to occur: iron, oxygen, and water. Rust forms when these three elements combine and create an electrochemical reaction. iron water oxygen → hydrated iron oxide. It is the hydrated part that makes rust brown instead of red. If any