A Kimblewick is a bit that belongs to the category of the Pelhams, but only one rein is used. The effect of a Kimblewick is softer than a pelham. The lower the rein is placed, the sharper this bit will be.
The effect is bigger when used in combination with a curb chain.
This bit finds its origin in the driving sport, but is also popular with show jumpers. The Kimblewick snaffle bit is not suitable for inexperienced riders and horses.