Hmmmm that's about you and mammals, hogs do that system, underground. Its exactly what they do underground, and even have the pop ups.

Your asking the question, will they use it, the answer is yes, and they will use it in hopes of finding somewhere to burrow, which is where and how they live, and why they have that nose and body.

oh oh, how about putting the boxes one the bottom of the tubes and fill them with a sandy soil. Then the hogs would go from box to box. Each box could be a test, you know, different soil and different temps, etc. Dang and I am serious, that would be a great way to keep a hog and have fun and learn.

Seriously, that would be great, just flip the boxes underneath the tubes and fill them with substrate. Sir, you just came up with a teaching cage. Best wishes

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