Clear Crackle Glaze is a fast-drying, acid-free medium that will crackle as it dries to create an eggshell pattern in one step. Once dry, the cracks can be antiqued with Media Antiquing Creams to enhance the cracks. Its clear finish allows details and colors to show through and it is self-leveling. Once dry, the cracks can be antiqued with Media Antiquing Creams.