  In Twin Higgs models which contain the minimal particle content required to
address the little hierarchy problem (i.e. fraternal models), the twin tau has
been identified as a promising candidate for dark matter. In this class of
scenarios, however, the elastic scattering cross section of the twin tau with
nuclei exceeds the bounds from XENON1T and other recent direct detection
experiments. In this paper, we propose a modification to the Fraternal Twin
Higgs scenario that we call $\mathbb{Z}_2$FTH, incorporating visible and twin
hypercharged scalars (with $Y = 2$) which break twin electromagnetism. This
leads to new mass terms for the twin tau that are unrelated to its Yukawa
coupling, as well as additional annihilation channels via the massive twin
photon. We show that these features make it possible for the right-handed twin
tau to freeze out with an acceptable thermal relic abundance while scattering
with nuclei at a rate that is well below existing constraints. Nonetheless,
large portions of the currently viable parameter space in this model are within
the reach of planned direct detection experiments. The prospects for indirect
detection using gamma rays and cosmic-ray antiprotons are also promising in
this model. Furthermore, if the twin neutrino is light, the predicted deviation
of $\Delta N_\mathrm{eff} \approx 0.1$ would be within reach of Stage 4 CMB
experiments. Finally, the high luminosity LHC should be able to probe the
entire parameter space of the $\mathbb{Z}_2$FTH model through charged scalar
searches. We also discuss how searches for long-lived particles are starting to
constrain Fraternal Twin Higgs models.
