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1:1 2014 abs anal anal_penetration anthro armor balls bdsm black_nose bodily_fluids bondage bound brown_nose canid canine canis claws cuff_(restraint)digital_media_(artwork)dominant dominant_male dripping duo erection eyes_closed felid foreskin fur genital_fluids genitals glans green_eyes grey_body grey_fur hair half-closed_eyes handcuffs lonbluewolf male male/male male_penetrated male_penetrating male_penetrating_male mammal metal_cuffs narrowed_eyes nipples open_mouth pantherine penetration penis precum restraints sex shackles simple_background striped_body striped_fur stripes submissive submissive_male teeth tiger tongue vein wolf yellow_sclera