Strategically placed traffic signs make moving cattle child's play for this Montana couple.Picture yourself with a white sheet of paper on a table, some iron shavings and a magnet. If you place the negative side of the magnet on the paper and move it in a sweeping motion across the page, the shavings will be pushed ahead of the magnet. That side-to-side sweeping motion with a magnet is similar to the sweeping motion of a cattle handler using cattle's flight zone to move them from pasture to pasture.
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