Trust Sweet Iron Kimblehook Dr. Bristol BitThis bit finds its origin in the driving sport but is also popular with show jumpers. A Kimblehook is a bit that belongs to the category of the Pelhams, but only one rein is used. The effect of a Kimblehook 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. Sweet iron will rust when it comes into contact with (air) humidity; the surface rust tastes sweet