The hammer was to be used to pulverize the clods. The soil of these gravel belts is very stiff and forms clods. It is typically found amongst ground litter or sheltering under wood, stones and soil clods. Lighter secondary disc harrows are primarily used to break down soil clods into smaller pieces. This time, he drove them away with dirt clods. Another tool used in agriculture were maces used to destroy clods and flatten the soil. The bed must be free of large soil clods and organic residue. To barbecue in this manner, one first builds a hollow pyramid up with dirt clods. The women followed, breaking the clods and planting seeds. Where pets study and follow all of the rules, clods do the opposite.