The closet was made by adding some picture frame wire to hold the hangers. It is what I had on hand, so I went with it. You could make it with a dowel as well. I put 1 screw in each side and wrapped the wire around the screw. Tighten it around the wire and there you have a hanging solution.
So many things you can do with old drawers. For more ideas you can visit my other posts on reusing drawers.
Drawer to shelf
Drawer to jewelry storage