Simmons Custom Calls have been designed to reproduce the exact sounds of hen mallards. These calls are individually made and tuned to produce the notes as well as the range, needed to communicate effectively with waterfowl. All of Simmons Custom Calls are easy to operate and master along with a guarantee that you will have a fine handmade product. You will enjoy the quality, sound, and results that each call produces. If you prefer a design of your own, Simmons Custom Calls will be happy to accommodate.