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4_toes anthro anus backsack balls big_balls bottomless bottomless_male butt claws climbing_on clothed clothing clothing_around_one_leg digital_media_(artwork)feet furniture genitals greyscale hairless_tail hi_res hoodie male mammal monochrome murid murine partially_clothed paws plantigrade presenting presenting_hindquarters raised_tail rat rodent rodent_tail round_ears saggy_balls schmutzo simple_background sketch sofa solo tail toe_claws toes topwear underwear underwear_around_one_leg underwear_down