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2017 all_fours anus backsack backwards_baseball_cap backwards_hat balls baseball_cap black_nose black_spots butt butt_pose canid canine canis clothing dalmatian domestic_dog erection floppy_ears footwear furgonomics genitals grey_eyes harness hat headgear headwear high-angle_view humanoid_genitalia humanoid_penis kneeling looking_at_viewer looking_back male mammal mike_(sigma_x)mostly_nude penis perineum pose presenting presenting_anus presenting_hindquarters raised_tail rear_view shoes shy sigma_x simple_background sneakers solo spots spread_legs spreading straps tail thin_tail vein white_background white_body white_skin