Rule 34 Dev - 2014 animal_genitalia ball ball_gag balls barrzalex bondage bound cutie_mark equine erection feral friendship_is_magic fur gag hair half-closed_eyes hi_res high_resolution highres horn horsecock looking_back looking_up magic male male_only mammal my_little_pony nude penis prince prince_blueblood_(mlp) royalty sex_toy short_hair solo standing toy unicorn vein veiny_penis|1697214464