Rule 34 Dev - 2014 agent_(artist) anthro bit_gag dildo_gag equine feline fur gag gagged goo_transformation greyscale harness_bit_gag horse liquid_latex male male_only mammal monochrome muzzle_(object) muzzled open_mouth oral petplay pony ponyplay roleplay rubber simple_background solo stripes teeth tiger traditional_media_(artwork) ulbrek|2953415288