FURVERT!

animal_genitalia animal_penis anthro apple-faced balls big_balls big_penis bound brown_body brown_fur brown_hair brown_tail chain chained cuff_(restraint)english_text equid equine equine_genitalia equine_penis erection flared_penis front_view fur gag gagged genitals hair handcuffed handcuffs hi_res hooves horse huge_penis kneeling male mammal medial_ring metal_cuffs muscular muscular_anthro muscular_male nipples pecs penis restraints ring_gag sheath solo tail text tongue tongue_out vein veiny_penis