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Then wash your hands. ) Go to a well ventilated area. Repeat 2-3 times. Apply a thin coat of paint to the ring. Repeat as you did in the previous step, but with the paint. Let dry overnight.
If engraving and painting, engrave first. Clean ring with soap and water to wash off oils and other contaminants. Get some paint and primer (spray or brush), ring, and, if using spray paint, overspray protector (newspaper, old tarp, etc. Using primer, apply a thin coat to the ring and let dry for 15-30 minutes. To ensure strong base coat, let primer dry overnight. If desired, apply a single medium-thin coat of clear finish to the ring after the paint is done drying.