What size Bit do you need ? How do you measure your horses mouth ? EASY!! With out Bit Sizer. Easily placed in the horse's mouth just like a bit, then simply read the size measurement on the bar ... Simple ! Shop link in Bio #snaffleit #snafleithorsesupplies #bitsizer #easytouse #horsesmouthsmatter #bitfitting #measure #equestrians #stablestyle #musthavebarntool #saddlery #tack #horses