2017animal_genitaliaanimal_penisballscanidcaninecanine_genitaliacanine_peniscanisdetached_sheathdigital_media_(artwork)domestic_dogenglish_texterectionfrenulumgenitalsgerman_shepherdglansherding_doghumanoid_genitaliahumanoid_penishybrid_genitaliahybrid_penisitch_(character)knotmalemammalmodel_sheetmuscularmuscular_malenudepastoral_dogpenissayunclescarificationsheathsolotext