morph seamlessly between forms. wielders of this dark crystal have been known to perfect the craft of stealthful nail transformation. with its superfine glass grit, this crystal nail file will allow you to practice your dark arts safely, helping you make effortless shifts between almond, square, oval, diamond, or any nail shape in between. and, then, back again. all while remaining practically imperceptible. a SHAPESHIFTER is a crystal nail file with a superfine glass grit that allows for safer, smoother filing. note: shapeshifters are fragile at their core. when not in use, store your crystal nail file in the cozy protective coffin provided to help prolong its lifespan.