[SandRat]

With triple razor concertina on top?

[mylife]

And tunnels below LOL

Session enforcing the law will do more than any wall

[CARTOUCHE]

With triple razor concertina on top?

I’d prefer some Chupacabra artwork on the Mexican side, that’d keep many of the ignorant superstitious types away.
And on the US side, packs of feral Dobermans and German Shepherds looking for their next meal. No fuss, no mas.

However, your idea is good for the steel industry in the USA.