FURVERT!

2021 a-pony animal_genitalia animal_penis balls bdsm bondage bound digital_media_(artwork)dolero equid equine equine_genitalia equine_penis erection eyes_closed feral genitals hooves horse kinktober male mammal monochrome penis raised_tail restraints rope rope_bondage rope_harness simple_background solo spread_legs spreading suspension tail tail_tied