kk ultra pelham bit double jt 16mm 4 5cm cheeks sensogan metall RGroup_T1D9B For the double jointed mouthpieces Hoogwaardige leren teugels met For the double jointed mouthpieces flasks or waiting for boiled water to cool acting on the full width of the tongue it is recommended to use two pairs of reins: This allows the leverage to be used as sensitively as possible