, it is time to add the final touch to this simple, fun nail design-the bow tie. Because your thumb has the largest nail, it is easiest to draw the bow tie just on your thumbs. Drawing a design on just one finger is very popular and fun these days. Draw your bow tie in white. Then go back and outline in black nail polish. To be more precise, you can use a black nail art brush to outline your bow tie. Now your nail art is complete!