Have a third party convention. Of all the candidates not running one of of the two main party tickets, have one convention to select one ticket.
Greens, Libertarians, those Anarcho-conservatives who want to get rid of all police, all of them vote for one "third party ticket".
This would reduce the splitting of their votes into all kinds of candidates, a tiny bit here and there.
It'd be hard for them, voting for someone who they might disagree with, but it could provide an outlet for their anger and desire to put some pressure on the two parties.
Greens, Libertarians, those Anarcho-conservatives who want to get rid of all police, all of them vote for one "third party ticket".
This would reduce the splitting of their votes into all kinds of candidates, a tiny bit here and there.
It'd be hard for them, voting for someone who they might disagree with, but it could provide an outlet for their anger and desire to put some pressure on the two parties.