Product descriptionThe tom thumb bit is a cross between an American gag and a riser bit. It offers more precision and control and is very popular for show jumping and cross country. It has a lifting action in the front that can help the rider sit the horse on its hocks, allowing for tighter turns and more efficient jumps. The lifting action combined with tail pressure can also discourage horses from leaning on the bit. Can be used with a single rein on the snaffle ring or lower ring or, for greater accuracy, with two reins.The soft blue iron oxidizes easily, creating a warm feeling and sweet taste in the horse's mouth, helping him to accept the bit. Please note that the blue color will fade with use, which is normal.MeasurementsAccording to our size guide, the A and B measurements of this bit are as follows:A=15mmB=125mmBlue Sweet Iron Bits...Blue Sweet iron bits oxidize easily, creating a warm, sweet taste in the horse's mouth, causing him to salivate. Some horses often prefer the war...