ink resist on watercolor paper with india ink and rubber cement in white areas. Start with light grey wash after rubber cement is applied, add more rubber cement to preserve light grey areas; continue to add rubber cement over washes
This is the same process as batik paper making. Instead of dipping a block in color, the artist dips a block in liquid wax and then prints on the paper. Once the paper is dry, the artist paints the paper with color and irons the paper to remove the wax.