A nice manicure is as essential as your bags, shoes and jewelry. They can be the best accessories for your outfits and add another layer of sophistication and charm to your look. The key to having stunning nails is understanding what shape works best for your fingers. One of the most popular options is the square or coffin-shaped nail. So if you’re looking for a visual guide on your next manicure makeover, look no further than this list of stunning coffin nail ideas.