def METHOD_NAME(self, load_system_with_dampers):
    scwd = load_system_with_dampers
    mock_rod = self.MockRod(2, 3, 4, 5)
    scwd.append(mock_rod)
    # in place class
    class MockDamper(self.DamperBase):
        def __init__(self, *args, **kwargs):
            super().__init__(*args, **kwargs)
        def dampen_rates(self, *args, **kwargs) -> None:
            pass
    # Constrain any and all systems
    scwd.dampen(1).using(MockDamper, 2, 42)  # index based damper
    scwd.dampen(0).using(MockDamper, 1, 2)  # index based damper
    scwd.dampen(mock_rod).using(MockDamper, 2, 3)  # system based damper
    return scwd, MockDamper