French mouth Baucher bue steel bitCompositionBlue Steel. The Blue Steel alloy used in this Jump'In range is made of 54% carbon and 46% manganese. Effect this bit has a light lever action. The French mouth cannons make this bit more comfortable by relieving the horse from any pressure on their palate. The horse will take a better contact and will be in a better working attitude. The action will get the horse to lightly come on the bit and change its head neck posture. Blue steel bit