OPI Shatter Nail Lacquer is a revolutionary new way to paint your nails! O.P.I Shatter Nail Lacquer is a top coat that separates, crackles and shatters as it dries, revealing the colour underneath and giving a unique nail art effect. Very easy to use, they give eye catching results in seconds! How to Use Simply apply over the top of your chosen colour to create a ground-breaking cracked pattern.