Rule 34 Dev - 4_toes animal_genitalia animal_penis ankle_cuffs anthro balls bondage bound brown_eyes canine canine_penis collar fur german_shepherd gothwolf green_eyes grey_fur inner_ear_fluff knot leather machine male male_only mammal milking_machine mix mondsikel multicolored_fur muzzle_(object) muzzled paws penis penis_milking plantigrade shackles solo_focus straitjacket tears toes two_tone_fur unseen_character white_fur wolf|2348364968