Turtle Tactio NelsonTurtle Tactio with Flex Specifically engineered to accommodate the larger or sensitive tongue. Often negates the need to shut the mouth. FlexT Nelson The full cheek offers directional support when turning, ideal for those tricky technical fences such as skinnies and corners. The two rein options allow the rider to differentiate between the snaffle action and the stronger running cheek action. Often sourced for use with strong horses when extra control