Bombers Pelham Johan du PlooyThe Johan Du Plooy has a ported curved mouthpiece with a central roller filling the port. This roller applies tongue, bar and poll pressure which makes it an effective polo bit. This is similar to a low port coscojero Pelham also know as the "salivador". The mouth pieces is made from blue sweet iron, because it: oxidizes easily encourages salivation helps bit acceptance is warm and sweet Please note the blue will fade with use. The Polo Pelham is