Begin with properly fired shelf cone 04 Bisque. Moisten a clean sponge and wipe bisque to remove any dust.
Slightly thin FN-009 Black, pour inside each vase and turn to coat. Pour out the excess glaze and drain.
Use the Soft Fan to apply three coats of CC-102 White Crackle in an uneven line on the vases as shown.
Fire to cone 06.
Use SS-138 Flat Black slightly thinned to brush over the crackle glaze. Wipe off to leave the black in the cracks of the glaze. Brush the remainder of the vase with a solid coat of the black acrylic.
Pour MM-106 Steel Metallic in another container and stir thoroughly. Use an old soft brush to apply a heavy coat of the color onto the vase. While it is wet, screw on an MM-600 Spritzer cap to the Rapid Rust bottle and spray MM-305 Rapid Rust liberally over the Steel Metallic. Repeat the process of applying the Steel and Rapid Rust spray. To fully develop the rust may take overnight.