2015animal_genitaliaanimal_penisanthroanthro_on_anthroanusasinusathleticathletic_anthroathletic_maleballsbent_overblack_bodyblack_furblack_hairbrown_bodybrown_furcountershade_crotchcountershade_torsocountershadingcuff_(restraint)donkeyduoequidequineequine_genitaliaequine_peniserectionfurgenitalsgrey_bodygrey_furhairhandcuffedhandcuffshorsei-psiloneimminent_anallooking_backmalemale/malemale_anthromammalmarkingsmedial_ringmetal_cuffsnudenude_anthronude_malepenisraised_tailrear_viewrestraintssheathspotsspotted_bodyspotted_furstandingsubmissivesubmissive_maletailtally_markstan_bodytan_furveinveiny_peniswestern_tally_marks