Am an experienced woodworker and toolmaker. I understand cutting tool theory well and have done carving on wood many times. I'd like to try checkering with a simple, inexpensive hand checkering set, but need help please choosing a small set from mailorder house. How many lines per inch for a beginner? Is the method of use pretty obvious? I'd rather not have to buy a video or textbook if possible. Just want to do it for me. Thanks.