Semianalytic EVPA maps of the high-inclination (i = 70°, ψ = 0.15) counterjet. For both Lorentz factors shown, a spin-dependent swing emerges along the spine of the counterjet and the approaching limb of the counterjet. In both cases, the dependence of this swing on both Lorentz factor and transverse location is significantly weaker than that of the forward jet (see Equation (60)).