The Williams cheek piece allows for multiple rein positions. If connected to the main ring the bit acts as a loose ring, but when connected to the bottom ring it promotes pole flexion by creating more positive poll pressure. The Williams cheek piece helps to prevent drifting.
The Happy Tongue is a solid mouth piece with a unique ported shape to give maximum tongue relief. The standard happy tongue is curved to be softer on the bars and slow in applying tongue pressure.
Mouth - B14/10 - 14mm over bars and 10mm over tongue