2015animal_genitaliaanimal_penisanthroballsbig_ballsbig_penisbipedbody_harnessbondage_gearcollarconditional_dnpcuff_(restraint)digital_drawing_(artwork)digital_media_(artwork)equidequineequine_genitaliaequine_penisfacial_piercingfull-length_portraitgenitalsgreyscalehalf-erecthands_on_hipsharnesshorsekadathmalemammalmonochromenose_piercingnose_ringnudepenispiercingportraitrestraintsring_piercingseptum_piercingshacklessolostandingvein