Trust Sweet Iron Dee Waterford BitThe 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 Sweet Iron bits are made of steel and have a recognizable blue color. Sweet Iron will rust when it comes into contact with (air) humidity, the surface rust tastes