Palmer Bits Spurs Calvary Shank Ported SnafflePalmer Bits and Spurs Calvary Shank Ported Snaffle 3 Piece Ported Mouthpiece Floral and Copper Engraving Tom Palmer Stamped Cheek The cavalry shank style helps lift the shoulders and encourages smoother transitions and lighter lateral flexion. A rider might choose a Cavalry Shank Ported Snaffle when they want refined communication, light leverage, and more tongue relief than a traditional snaffle or low port curb. Product Number : PBS B5235 Palmer