Bombers Full Cheek Gag WaterfordThe Waterford bit has many smooth flexible bumps or bubbles, which spreads the pressure over many points making it a light mouthpiece. The greater flexibility discourages a horse from leaning on it. The Waterford bit is a good choice for a horse that leans, it also promotes mouthing and salivation. The Waterford is usually worn " " longer than your traditional mouthpiece in order to curl around the lips and maximise the effect.