Sprenger Dynamic RS Pelham 42014-78 Horse Bit (16mm Thick, 4.5cm Lower Cheek, 10cm Cheeks)Sprenger Dynamic RS Pelham 42014 78 Horse Bit (16mm Thick, 4. 5cm Lower Cheek, 10cm Cheeks) ergonomical shape allowing a soft and even distribution of pressure, middle link angled forward by 45 fits anatomically correct between tongue and palate, allows effective rein aids the leverage effect on the poll can be varied by different rein options often used in combination with bit converters or with 2 reins curb chain should allow a maximum angle of 45