Rule 34 Dev - achillesheelart beast_(x-men) blue_fur bondage bulge cables danger_room dialogue feathers flaccid foot_fetish foot_play hank_mccoy male male_feet male_foot_fetish male_only male_tickling marvel marvel_comics muscles muscular muscular_male mutant restrained solo solo_male tickle_fetish tickle_torture tickling tickling_feet x-men|11082075240