Rule 34 Dev - 2016 abs amber_eyes animal_genitalia animal_penis anthro biceps big_penis biped black_nose bondage bound brown_fur brown_hair brown_tail canine canine_penis chair countershade_torso countershading erection eyebrows front_view fur german_shepherd hair hands_behind_back hands_tied knot legs_tied looking_at_viewer male male_only mammal maurick multicolored_fur muscular muscular_male nude pecs penis pink_penis precum rope rope_bondage signature simple_background sitting solo tan_countershading tan_fur thick_penis two_tone_fur zomacaius|2508116000