Holding the stem of a spoon against the outer corner of your eye, draw the straight line as the first step for your cat-eye. Then, flip the spoon so it's hugging your eyelid, and use the rounded outer edge to create a perfectly curved winged effect.
Timely info, I am cleaning shells now! Have an old shell collection that needs a new life? Modern seashell art reveals the thoughtful process of cleaning and restoring the brilliant colors in seashells.