Rule 34 Dev - 2019 abs animal_genitalia animal_penis anthro balls brown_hair d20 equine_penis erection hair hooves horsecock hybrid kihu looking_at_viewer male male_only masturbation navel nipples nude penile_masturbation penis riding_crop saddle sheath simple_background solo standing stats tikki_(zonkey) whip white_background zebroid zonkey|3472406816