Neue Schule Turtle Top With Flex EggbuttNeue Schule Turtle Top with Flex Eggbutt Turtle Top with Flex Anatomy inspired double jointed bit design with enhanced mouthpiece stability, through optimised alignment of the mouthpiece surfaces to the tongue and palate. The Neue Schule Flex design concept delivers a guaranteed and well controlled co alignment of the surfaces of the mouthpiece with the sensitive surfaces of the equine mouth. For most designs Flex delivers parallel co alignment of the