It burrows through passages in the ground in search of food and that is exactly where you need to use the vole tongs from Gardigo. Explore a passage, usually this is located between two mounds, by pushing in an iron rod you can explore whether a passage is present. Expose it a little bit, if the dug hole is closed again within 24 hours, you can assume that the passage is used. Expose the passage again, tighten the pliers by clamping the plate and place them in the passage and cover it so that no more light enters. If the vole runs against the plate, the tongs snap shut and kill the vole.