Worked like a charm. Moles create the sub-surface tunnels and other critters will use them as well. After a few days of pin wheel spinning the moles went away. Some of the tunnels and mounds I stepped on and others the rain settled out. I must admit that it sure looked silly as I placed them every 10 feet or so even beyond the active area. The idea was spawned when I had Moles and Voles in my back lawn. Every time the riding lawn mower would pass by they would scurry all over the place. Sad to say that Deer, Turkeys, Coon, and Squirrels don't seem to mind them. If you decide to give it a whirl be sure to buy plenty of them.
Yep. Like everything else they shy away at first then they are right back. I have even tried to eat my way out of a deer problem but more just keep coming. Dried blood tied up in cloth and hung around seem to work. Without question the best method is to simply hang a critter or deer parts over a crotched limb. Crude but most effective.