The bit is a critical point of contact between horse and rider. The bit should be felt by the horse for direction from the rider, without hampering the desired performance of the horse. Argentine Bit is be used with a bit converter, 4 reins, or attach reins to snaffle side of shank loops as needed. The bit has shanks and can be fitted with a curb strap because the pressure can be applied to the mouth and tounge as well as the jaw and the poll.