A ring cheek piece introduces poll pressure as well as creating leverage on the mouthpiece, the 2� Ring version is the softest out of the 3 or 4 ring alternatives as the � ring softens the leverage on the mouthpiece and poll.The moulded mouthpiece has been uniquely shaped and flattened. It is angled at 45 degrees to offer an exceptionally soft and evenly distributed pressure over and around the tongue. The internal flexible stainless-steel cable core has been injection moulded with a bespoke non-toxic, UV resistant, flexible synthetic material. The Bombers moulded material has been uniquely developed, to ensure 3 key attributes; texture, durability and comfort. Especially good for the horse that objects to metal or when you have tried every kind of bit without luck. As with all our steel components, the cable core and cheek piece will be covered by our lifetime guarantee.The Bombers Lifetime Guarantee does not extend to materials that can be chewed.