Rule 34 Dev - bdsm bridle ears_up female feral grey_body grey_hair hair harness harness_only looking_at_viewer mane mlp molkeunkemoxl_(model) monotone_body petplay ponyplay prompt quadruped roleplay simple_background solo solo_focus straps mechanic_31 my_little_pony earth_pony equid equine horse mammal pony greyscale hi_res monochrome|97246624