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anthro anus beard body_hair butt butt_hair canid canine canis claws crowe_(foxmusk)droptineart elderly elderly_male erection eye_patch eyewear facial_hair feet frenulum from_front_position genitals glans grey_hair hair hi_res humanoid_genitalia humanoid_penis legs_up lying male mammal mature_male missionary_position on_back penis presenting presenting_anus presenting_hindquarters presenting_penis sex solo spread_legs spreading toe_claws toes wolf