Mouth Dee Bit

: The Feeling Dee bit is a single jointed anatomical. It allows for accurate transmission of your aids. Unlike the double jointed which acts on the tongue, the single bit acts on the palate. It is important to know that the palate of the horse is a sensitive area that should not be neglected. It can be recommended for horses with a hollow palate or not very sensitive palate. Its thin mouthpiece optimizes space in the mouth.
The Dee bit has D-shaped rings, giving it a slight leverage action. They rotate on one axis only, which prevents pinching of the corners of the mouth. The flat side of the D-ring makes this bit more directional than an olive or ring snaffle, but less so than a full cheek bit.