FURVERT!

1:1 abs animal_genitalia animal_penis anthro biceps big_penis black_nipples cheetahpaws equid equine equine_genitalia equine_penis erection genitals harness hi_res horse huge_penis hyper hyper_genitalia hyper_penis long_penis male mammal medial_ring muscular muscular_anthro muscular_male nipple_piercing nipples pecs penis piercing simple_background solo straps vein