Because this mouthpiece does not rotate on to the tongue and the port is wide

The rollers can also help to prevent the horse from taking a hold on the bit or leaning

when the reins are engaged

sizes Shetland

Shires Small Ring Curved Mouth Eggbutt Snaffle Bit Mouthpiece Thickness:12mm Because this mouthpiece does notThe Shires Small Ring Curved Mouth Eggbutt Snaffle features small bit rings which look more in proportion against horses and ponies with smaller heads. This single jointed snaffle bit has a thin, 12mm curved mouthpiece this can make the action of this bit more severe but the curved shape allows for more room in the horse's mouth for those with smaller mouths or larger tongues. The single jointed mouthpiece gives a "nutcracker" action, applying