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.
Wrap some baker's twine or other string around a wooden block to create a graphic textured stamp. -can also use rubber bands- Stamp on inside of paper bags from grocery store or paper that comes in mailed packages, use as wrapping paper.