2007analanal_knottinganal_penetrationanimal_genitaliaanimal_penisanthroanthro_on_anthroballsballs_deepblotchcanidcaninecanine_genitaliacanine_peniscanisclawsdalmatiandomestic_dogduoerectiongenitalsknotknottingmalemale/malemale_penetratedmale_penetratingmale_penetrating_malemammalmasturbationmonochromepenetrationpenilepenile_masturbationpenisscratches_volume_1sexsheathspread_legsspreadingtailtraditional_media_(artwork)wolf