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abs anthro balls biceps bracelet canid canine canis collar collar_only domestic_dog flexing foreskin fur genitals hi_res humanoid_genitalia humanoid_penis jewelry jrjresq looking_at_viewer male mammal muscular muscular_anthro muscular_male nipples nude pecs penis pink_nipples red_collar simple_background solo tail vein veiny_penis white_body white_fur