A new undercover video by James O'Keefe's Project Veritas shows trainers teaching radical antifa activists how to violently incapacitate their foes.

Broken ribs, gouged eyes and more.

Clips from the video are featured briefly in Dinesh D'Souza's new movie, "Death of a Nation," which opens in theaters Friday.

See the video:

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In it, antifa "fight instructors" are training activists for encounters with police, or Trump supporters, or anyone else who opposes their will.

"If you get a good liver or kidney shot, it's pretty much crippling them. They're going to be doubled over and in a lot of pain. If you break one of the floating ribs, which are small and right down here. Those are also very painful. It's hard to move after that, to catch a breath," says one.

"So one good body shot could potentially give you all the time in the world to run away while they're doubled over in pain, or really put a beating on them after that if you really want to make it personal."

There are chuckles among the activists after that comment.

Adds another trainer: "We just kind of wanted to in this space, reframe the idea of self-defense as not simply, you're being acted upon by an aggressor. But it's kind of a decision you make to fight back ... in a lot of ways to say, 'I am human and I occupy this space and I will not be f----- with.'"

Another says: "My nose, the side of my head, if I come into you you could definitely do it. But, be like, come here and just be like you want to ... yeah yeah yeah. So if that doesn't knock them out, then yeah, the nose, the eyes, poke the eyes absolutely."

Antifa – short for anti-fascist – is a militant movement that engages in violent protests against people they regard as fascists, racists or right-wing extremists, including supporters of President Trump.

The video clip also introduces Andy Zee, an organizer for Refuse Fascism, talking about billionaire liberal activist Tom Steyer and his campaign to impeach Trump.

"I don't know if we took the meeting today. We were meeting with his main adviser on impeachment," Zee told the undercover journalist. "Tom Steyer's been retweeting some of our stuff "

He said the group wants up to $5 million to organize protests against Trump.