Originally Posted by aldebono
Do people use two reins for this bit?
I've only ever seen it once, in the 1970s. A rider had a loose ring W-mouth with a combination martingale (standing and running). The lower rein went throught the running martingale rings, which was adjusted quite short, and the top rein straight to hand. Stronger contact on the lower rein would have put a lot of pressure on the mouth which could be easily relieved by slipping those reins, but otherwise I couldn't see the point.