rule 34 2020 all fours animal genitalia anthro big penis blue body blue scales bodily fluids chain leash chained chains collar countershading dragon ear frill erection frill anatomy genital slit genitals glaucablitz horn leash male membrane anatomy membranous frill nude open mouth penis ridged penis saliva saliva string scales scalie sharp teeth signature slit solo summoning circle teeth tongue tongue out western dragon wrist cuff yellow eyes 4329974