Rule 34 Dev - 2013 anal anal_insertion anal_sex anus bit bit_gag blinders blush bound collar cutie_mark dialog drooling english_text equine eyewear female friendship_is_magic gag gagged hair horse insertion multicolored_hair my_little_pony penetration plain_background pony purple_eyes pussy rainbow_dash_(mlp) rainbow_hair ratofdrawn saliva solo spread_legs spreader_bar spreading straight_hair text|1399631032