Happy Mouth Copper Roller Mouth Hackamore BitWe love this hackamore bit because the copper roller and apple scent help your horse relax and accepted the bit. The Happy Mouth Copper Roller Mouth Hackamore Bit combines the nose and poll pressure control of a hackamore with the stopping power of a gag bit. The pressure is dispersed over the horse's nose and head as well as at the mouth. By using 99. 9% pure copper in the center of the mouthpiece, bit acceptance is improved. Pure copper is a soft,