I like 7. Seems it would be hard to climb over.
Do you know the ranking from economical to function?
English
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I'm not sure. I built a wooden fence in my backyard before and not a single Mexican has climbed over it yet so I'm assuming any of them will work
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True. I'm just disappointed with the lack of menace though. I'm sure rotting corpses of Mexicans will decor the wall properly soon enough.