Rule 34 Dev - animal_genitalia animal_penis anthro balls bdsm bondage bound canine_genitalia canine_penis erection genitals group group_sex humanoid_pointy_ears knot male muzzle_(object) muzzled penis penis_tip pointy_ears sex sheath tail java mudshark canid canine canis domestic_dog mammal black_and_white monochrome|337917790