Not very durable

It only kind of works, still see cats in my yard occasionally. I wanted a humane way to discourage the ferals from using my yard as a litter box/mating location. They may have even tampered with it because after a couple days I found it knocked over and the plastic was cracked. It annoys them but I think they are not annoyed by it enough. I think getting a dog might be more effective, but too bad it's not an option at this time.

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