Trending Long Black French Tip Coffin Nails : What if you could confine color to a short nail bed but still capture the essence of a long white tips and a black nail bed make for a highly contrasted french mani, ballerina nails style. To make your feather look unusual to add a silver stroke in the middle. Long Black French Tip Coffin Nails : These new ideas for 2018 present many different sides to the french tip manicure.