Rule 34 Dev - 2016 2boys 4_toes 5_fingers abs animal_genitalia animal_penis anthro balls biceps blue_and_white canine canine_penis chains chastity chastity_cage chastity_device claws closed_eyes duo erection eye_patch eyewear furry gay hands_behind_head hi_res horn inner_ear_fluff invalid_tag key knot larger_male lock macro male male_chastity male_only mammal monochrome muscular muscular_male muzzle_(object) muzzled neck_tuft nude open_mouth pawpads paws pecs penis penis_size_difference signature simple_background sitting size_difference sleeping smaller_male sound_effects tattoo teaselbone toe_claws toes tuft void_(sw08) white_background wolf yaoi zzz|2453335544