2021abstract_backgroundall_foursanalanal_penetrationanimal_genitaliaanimal_penisanthroanthro_on_anthroanthro_penetratedanthro_penetratinganthro_penetrating_anthroass_upbackwards_baseball_capbackwards_hatballsbaseball_capbeardbig_knotbodily_fluidsbody_hairbottomlessbuttcanidcaninecanine_genitaliacanine_peniscanischest_hairclothedclothingcoachcondomcondom_wrapperderrydobermanndomestic_dogdroolingduoear_piercingerectionevan_(kihu)facial_hairgenitalshairhands_on_backhatheadgearheadwearjewelryjockstrapkihuknotlooking_pleasuredmalemale/malemale_penetratedmale_penetratingmale_penetrating_malemammalmotion_linesmuscularmuscular_anthromuscular_malenecklaceonomatopoeiaopen_mouthopen_smilepenetrationpenispiercingpinscherpubessafe_sexsalivasaliva_stringsexsexual_barrier_deviceshirtsmilesound_effectstank_toptexttonguetongue_outtopwearunderwearunderwear_sexwearing_condomwhistle_(object)