Trust Sweet Iron Eggbut Eliptical (4 1/2")

The Eggbutt cheekpiece to be the most simple and common. The rings do not move up and down, resulting in a more stable position in the mouth and more direct rein aids. The lips don’t get pinched by this cheekpiece, so bit rings are not necessary

The Elliptical mouthpiece is the first example of a double-jointed mouthpiece with an elliptical shaped link. Due to this shape, the mouthpiece presses a bit more on the middle of the tongue. This mouthpiece has two joints, is shaped more to the form of the mouth and lies in the mouth a bit looser. This bit puts more
pressure on the tongue than a single-jointed mouthpiece.