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.
"So this is my life. And I want you to know that I am both happy and sad, and I'm still trying to figure out how that could be." I have never read the book nor seen the movie The Perks of Being a Wallflower.