Metalab Jointed Swivel Port Bit W/ Stainless Steel Roller Deals For Your Horse it has a small (¼")

it has a small (¼") port that introduces some tongue relief to the horse

Helps prevent stocking up

The MB 02 is the Myler alternative to the traditional French link or lozenge mouthpiece commonly used in snaffle bits

Shank is almost straight

Metalab Jointed Swivel Port Bit W/ Stainless Steel Roller Deals For Your Horse it has a small (¼")The Metalab Jointed Swivel Port Bit with Stainless Steel Roller is a stainless steel bit with a ported mouthpiece. The mouthpiece is features a low, wide port that creates tongue relief. The stainless steel roller encourages softness in the horse's mouth. The cheeks feature a longer purchase and a curved, angled shank. Creates an indirect action with a leverage effect. Designed to be used with a curb strap. Jointed swivel port bit with roller