Paint nail the color desired. Cut 5 very thin strips of scotch tape and place one down the center, with the others next to it. Once the tape is in place, paint the top color and remove as soon as the nail is painted. Add a top coat and you are finished.
How to clean your cookie sheets Kitchen "Miracle" Cleaner! - cup of baking soda in a small glass bowl - squirt in hydrogen peroxide until it makes a nice paste - rub it on the offending dirt/stain/grease - use fingers or a small sponge