Rule 34 Dev - canid canine collar duo english_text equestria_girls female feral friendship_is_magic glasses hasbro hi_res human knot_hanging knotting leash male male/female mammal medium_breasts mewpan my_little_pony penetration sci-twi spike_(eg) text twilight_sparkle_(mlp) vaginal_knotting vaginal_penetration zoophilia|13668256976