The KK Ultra D-Ring Bit by Herm Sprenger features a 15mm Aurigan® mouth with a center link that's shortened and rotated 45 degrees.
The Herm Sprenger KK Ultra Sensogan® Loose Ring Bit has a 14mm Sensogan mouthpiece and 70mm stainless steel rings. Sensogan resists tarnishing while creating a pleasant taste, encouraging salivation and promoting acceptance of the bit acceptance.
Nunn Finer Rope Gag Cheeks are easy to use and attach securely without the use of stitches or screws. Pair.