Another granpas trick.but for rats...catch one rat alive and sew with a needle his ass.after this hard job set him free and the fu%%#@n'rats colony go away next day.i know it seems a crazy thing but is serious for granpa Federico(class1932...)and I believe it!he have a lot of ancient tricks against animal damages...and he love the animals always live in a country.of course he don't love rats..