Capt. Charley holds 4 Duck calling championship titles as well as being part owner, manager and professional guide around the Lake Erie Marsh areas of Northern Ohio. The Video and Audio CD will allow you to practice right along with Capt. Charley both by watching how he does it on video as well as listening to him in your car. He allows enough time on tape to practice what he is explaining to you right along with him. This is one of the finest teaching and most thorough videos and cassettes available. $19.95