Compared to straight Mullen Mouth bits no steady pressure is exerted onto the tongue with bits that have a port. The middle of the tongue is more relieved with this bit shape and will only be squeezed with stronger rein aids.

Suitable for horses that resist the rider’s hand or have particularly fleshy tongues, as well as to correct tongue vices of horses that perceive pressure on the tongue as uncomfortable and evade this pressure by pulling up or sticking out the tongue sidewards.