Rule 34 Dev - 2018 5_fingers all_fours anthro arm_markings biceps black_ears black_fur black_nose blue_eyes cane_corso canid canine canis chest_markings claws cropped_ears docked_tail dog_tags domestic_dog ear_piercing ear_ring facial_piercing front_view fur genital_piercing holding_penis hoop_earrings humanoid_penis leg_markings looking_at_viewer male male_only mammal markings mastiff masturbation mixed_breed multicolored_fur muscular muscular_male nipples nose_piercing nude pecs penile_masturbation penis penis_piercing piercing pink_glans pit_bull plantigrade prince_albert_piercing septum_piercing signature simple_background solo spartadog spread_legs spreading toe_claws two_tone_fur watermark white_claws white_fur|3421992072