This Dutton Low Square Port and Chain Mouthpiece works mainly on bar pressure as the twisted back chain links apply equal pressure on the outside of the tongue and the bars to increase flexion and collection. This cheek allows for great balance to the bit as well as the length increases the amount of leverage to your horse's chin and poll. This Cavalry Shank Bit design has a 2.5" purchase, 5" shank and an 8" cheek. 1 1/4" height x 2" width low square port. Medium Severity and comes with a bit hobble.
Square Chain Port