JP Korsteel Sweet Iron Jointed 3 Ring Dutch Gag BitJP Korsteel Sweet Iron Jointed 3 Ring Dutch Gag Bit Provides the rider with varying levels of leverage and poll pressure depending on the needs of the horse with the lower ring providing the most leverage. Sweet iron mouth piece is warmer than other metals and encourages salivation and relaxation. The single joint applies a nut cracker action which applies pressure to the tongue, the bars of the mouth and the horse's palate. To see more from JP