Trust Sweet Iron Dee Bit Eliptical
The D-ring cheekpiece consists of two rings that are shaped like a D. As the rings cannot move back and forth, this cheekpiece offers more stability but also lets the rein aids come through more directly. The D-shape gives more side pressure (against the cheek), making steering easier.
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.