Japanese Tool Cleaning EraserA small tool that earns its keep. The Niwaki Mini Clean Mate is a compact cleaning block designed to bring edge tools back to lifesecateurs, shears, trowels, chisels, and saws. A few passes lift away rust, resin, and sap without feeling abrasive or harsh, restoring a clean working surface that cuts the way it should. Use it dry for touch ups in the garden, or with a bit of water or Camellia oil at the bench.