[header] How to hull walnuts [title] Place the whole walnut on an asphalt surface. [step] The juices will stain a concrete surface. [title] Stomp on the walnut with your foot and twist the nut into the asphalt surface. 
[title] Pick up the nut and place it in a large pail. [title] Discard the hulls in the garbage or in your compost pile.