GP Calls has perfected the ultimate duck call with The Nitty Gritty double reed series. This is considered by most to be a work horse of calls. This call was designed to be the only call you need out on a duck hunting trip. This call is perfect for both the pros or beginners. Make the calls you need for a cajun squeal to a deep raspy tone with ease. This double reed call will be your favorite call we guarantee it.