... include three steps(base polish,crackle polish,top coat) 1) fashion, popular 2)colourful 3)good quality crackle nail polish 3 simples steps to ... create exclusive and charming crackle nail design.1.Paint base coatapply ... perfect appearance, apply 2 times.3.Paint top coatapply clear nail polish to make it last long time.then, after it dry, ...