Korsteel 3 Ring Dutch Gag is a single jointed bit with a nutcracker action that works on the tongue, the bars of the mouth and can have action on the horses palate. Two reins should be used with the Korsteel 3 Ring Gag; One on the main snaffle ring of the bit and the other on the second lower ring. The 3 Ring Dutch Gag is a less severe gag due to the lower angle of leverage .

If only one rein is to be used when using Happy Mouth Jointed 3 Ring Dutch Gag then roundings should be used to help maintain a better contact with the horse's mouth.