Apple Mouth Jointed Dutch Gag/4 Ring Sizes:12.5cm,13.5cm,14.5cm Apple Mouth bits:Absolutely the very best for young or tender mouth horses,works wonders on developed horses,revolutionary polyurethane mouthpiece is apple scented and easily accepted,this material will not peel or flake,the apple mouth bit is long lasting,non allergenic and stimulates salivation for greater response,is shaped to fit the tougue and bars of the mouth,the mouth pieces can not pinch or damage,stainless steel rings or cheeks,with stainless steel reinforcing inside the mouth piece