Sprenger 3 Ring Bit Vienna 18 mm Single Jointed Stainless Steel Horse Bit Full Grain Leather Upper Silicone print features the GS The Acavallo Thiedemann reins Silicone print features the GS logo and bit pattern if your horse has a thick coat or is slightly overweight 3 Ring bit "Vienna" 18 mm single jointed Stainless steel mouth piecehelps to create more control over strong horses that evade a contactextremely versatile offers 4 different rein optionsdepending on where the reins are attached varying degrees of lever action intensify the rider_x0018_ s aidsusing a curb strap can limit the poll pressure and additionally acts onto the lower jawideal to master technically difficult passages in showjumping courses