They used heat to apply the lead without warping the metal, you can remove it by doing the same.
Make sure you are in a well ventilated area, lead fumes are something you do not want to mess around with.
When working with lead, I place a small fan in front of the area am working. I set it up so the fan is sucking the air away from me.
I also clean the area with water and baking soda after wards...Eric
