Rule 34 Dev - 2_penises 4_arms 4_breasts animal_genitalia animal_penis balls beaker big_penis breasts chin_balls clothing coat digitigrade diphallism duo equine_genitalia equine_penis female genitals gynomorph horizontal_diphallism huge_penis hyper hyper_genitalia hyper_penis intersex lab_coat laboratory_equipment laboratory_glassware male multi_arm multi_balls multi_breast multi_genitalia multi_limb multi_penis multifur penis pussy scientific_instrument tentacles topwear unusual_anatomy unusual_genitalia_placement what_has_science_done doodlelu1992 shogunfox canid canine domestic_cat felid feline felis fox mammal hi_res|13117168330