He had a simple piece of paper taped to his door that said that his shop was open, and I thought that for the work and time he has put in to his shop, that just wouldn't do. So I made him this sign:
It was very simple. I used a craft round from Micheal's and chalkboard paint. Then I drilled two holes in the top and hung it from thick brown ribbon. He loved it! I painted the other side as well. It currently says "Closed".