“Choro cactus is cheaper than mines or electricity and would work as well.”
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That’s a great idea and works for the environment. I tried to look up Choro cactus, and this came up, I assume this is what you meant.
Horticulturist shares interesting facts about the ‘Jumping Cholla’ cactus
https://m.youtube.com/watch?v=j539l8yCqzY
Chorro is is a fuzzy cactus. Not even dogs will walk under it. It makes a very effective barrier.