Trending Ballerina Cute Short Coffin Acrylic Nails - So, even if your claws are more like that of a kitten rather than a big related: Ballerina's nails are essentially the stiletto nail, but with a square rather than the pointy tip. Ballerina Cute Short Coffin Acrylic Nails / Coffin being more sharp, ballerina being more curved on the sides.