I collect hats, and I've had mine in boxes for over a year, because I had no way to display them. I picked up a plate rack at the $1 store for some plates I wanted to hang up, but it didn't fit, so I got a vertical one and had this horizontal one left over. I thought I would try to hang my hats on it, and it worked! I went back and got a million more, and put them everywhere I had room!
Here's some with my hats on it:
Here's one I put on my fabric cart, there's another one on the other side:
Here's what the empty rack looks like: