jump in bit blue steel three effects copper rings double jointedMouthpiece with intensified action depending on rein position 3 possible combinations depending on rein placement on the bit: Lateral framing Leverage effect Lifting effect Double joint prevents palate pressure, making it more comfortable in the horse's mouth Blue Steel alloy oxidizes on contact with air and moisture, forming a thin layer of rust that naturally stimulates saliva production; during oxidation the color changes to grey brown Increased