Harry's Horse Sweet Iron double jointed eggbut 13mm

The Sweet Iron eggbut is bit with a fixed cheek piece in relation to the mouth piece, the bit offers more moderate lateral control. This eggbut has a double jointed mouth piece and gives more pressure on the tongue than a single jointed bit. 

The eggbut:

The eggbut is a common multi-dicipline style of  cheekpiece. It comes in different vaiarities, like jointed, double jointed and straight. It has a fixed mouth piece wich prevents pinching  the edges of the horse mouth as is seen by a loose ring. It also offers more moderate lateral control. 

The Harry's Horse sweet iron bit:

Sweet Iron is designed to oxidize. Sweet Iron is made from black iron and copper, creating a metal that promotes moisture in the horse's mouth. The black iron and copper compound slowly oxidises and rusts. Slow-acting and harmless to horses, the oxidation has a sweet taste that horses like and which encourages salivation. This metal will almost always discolour. The cheeks and all the joints of the bits are made from stainless steel and will not rust or bind.