Rule 34 Dev - 4_toes abs all_fours anal anal_penetration anthro ass_up athletic bdsm biceps black_body black_fur black_nose blush bondage bone_gag bound brown_body brown_fur claws collar cuff_(restraint) doggystyle dominant dominant_male duo erection eyewear fangs feet forced from_behind_position fur gag gagged genitals glasses hair humanoid_genitalia humanoid_penis male male/male male_penetrated male_penetrating male_penetrating_male muscular navel nude paws pecs penetration penis raised_tail restraints sex shackles simple_background smile submissive submissive_male tail tail_grab teeth toe_claws toes white_body white_fur vallhound simon-fox_(character) white_wolf_(freezeframe) canid canine fox mammal 2015 digital_media_(artwork)|3232186195