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anthro anus balls barefoot bdsm blush bondage bound brown_body butt canid canine canis digitigrade domestic_dog feet gag genitals hi_res male mammal muzzle_(object)nude paws penis raised_tail red_blush restrained restraints rope rope_bondage rope_harness shiba_inu soles solo spitz submissive submissive_male tail toe_restraints toes toes_tied twoshoesmcgee