rule 34 2020 3 toes animal genitalia anthro anus ass belly blue body claws clone cobanyte cybernetics cyborg digital media artwork digitigrade dragon drake disambiguation erection experiment disambiguation feet fingers hi res horn machine male model sheet motaro artist muscular navel nude open mouth penis presenting reptile scales scalie slightly chubby slit solo standing stripes tapering penis teeth thick thighs toes tongue tongue out yellow eyes 3574913