This Double-Jointed Loose Ring Happy Mouth Bit has a mouth covered in soft yet strong apple-scented plastic. Stainless steel rings.
The Dynamic RS D-Ring Snaffle Bit is by Herm Sprenger. It gives soft, but effective instructions for even better communication between horse and rider. The curved 14mm Aurigan® mouthpiece with an angled center joint is soft and accepting. 65mm stainless steel rings.