Rule 34 Dev - 2013 alpha_channel anthro ball_gag blindfold bondage bound buttplug cutie_mark duo equine female feral gag gagged harness_gag horse inflatable_buttplug inflatable_insertable inflatable_sex_toy leather_restraints male mattress my_little_pony original_character pegasus plug_pump pony pussy rope sex_toy stinkehund wings|1503313912