If you're looking for a comfortable snaffle for your horse who's just beginning training, we suggest this Myler bit. It has a 5" comfort snaffle with a copper roller. This is a more comfortable alternative to the three-piece mouthpiece. The mouthpiece is made of sweet iron, which will naturally oxidize, or rust. Harmless to horses, it has a sweet taste and promotes salivation. Stainless steel western dees. Myler Level 1 mouthpiece.