[b]Fanny Titanium Mouthpiece goes with the Otto combination bit. When you order a mouthpiece for your combination bit, please select a size that's 1cm larger. [u]Please understand:[/u] We make the mouthpieces just for you once you order. So, you can't return or exchange them. We create them from our standard loose ring bits to fit your needs.[/b] This lets us give you a variety of mouthpiece options and sizes for your custom bit! [i]IMPORTANT: Fager Fanny offers two fittings, each offering a very different result.[/i] Fitted one way it creates a front-lock and then turned around and fitted the other way, there is no locking of the joint. [i][u]WITH[/u] front lock is recommended if you would describe your horse as the following:[/i] * Can be inconsistent in the connection. * Do not actively seek contact towards the bit. * Drops the bit/falls behind the hand. [i][u]WITHOUT[/u] front lock is recommended if you would describe your horse as the following: [/i] * Can be