rule 34 2014 4 toes anatomically correct anatomically correct penis animal genitalia animal penis anthro anthro on anthro balls barefoot biped blindfold bondage bound breast lick breasts canine canine penis chair claws collar doberman duo ear piercing erection eyebrows female floppy ears greyscale hair herr aardy hi res holding leash holding object industrial piercing knot larger male leash licking male male penetrating mammal monochrome nevarrio nude open mouth pawpads paws penetration penis piercing red bigmaster rope rope bondage rottweiler shallow penetration short hair short tail signature size difference small tail smaller female snout straight toe claws toes tongue tongue out 2276713