Good name for it.
It needs to be a one way “street.”
Southbound only and used to send invading insurgent alien would-be colonists back to the border they crossed.
No matter which of the 150 or so countries they originated from.
Mexico paved a path for them to come to the USA so they are Mexico's problem.
Just as an aside, IMO the fact that Mexico helped these people invade our country it should be seen as an act of war and treated accordingly.