From runways to social media, the newest trend in nail art is catching on fast: tortoiseshell nails. Many designers have used tortoiseshell as their preferred animal print for products and fashion. You can find this print in eyeglasses, handbags, jewelry and more. But who knew it would look so good as nail art? With the beautiful warm hues used to make this technique, this nail trend is bound to get even more popular this Autumn.