Patent-pending "S Grip" technology for easier gripping and holding. Trains the dog to naturally hold with a softer and more gentle grip. Softer and more pliable plastic gives the Soft Mouth Trainer the soft feeling of a real bird's body when retrieving. Adjustable pressure valve system allows handler to make the dummy softer or firmer for customized training. Excellent for water training or field use. Versatile, durable and long-lasting.