3 Ring Gag TBar Ported Barrel BitThe 3 Ring Gag TBar Ported Barrel Bit port creates relief for the tongue while the barrel joint relieves pressure on the bars, while still allowing for individual lateral aids. This bit is suitable for polo and polocrosse. The 3 Ring Gag TBar Ported Barrel Bit is good for responsive horses, as it has medium pressure and provides clear communication aids. The 3 Ring Gag Ported Barrel Bit has a maximum load rating of 90kg. The T Bar was developed by