Bombers Polo Big Ring Gag Elliptical Ultra Comfy Lock UpBombers Polo Big Ring Gag Elliptical Ultra Comfy Lock Up A gag works by lifting the bit in the mouth in order to encourage the head to be raised. Often used on strong horses that like to lower their heads in order to escape the action of the bit in the mouth and get very strong. The Ultra Comfy shape is such that it follows the contour of the horses tongue. The centre elliptical joints have been double locked to ensure that the angle over the tongue