Horse shoe dream catcher for sale! I think this would be fairly easy to DIY. I know how to make dreamcatchers and it doesn't look too much harder than regular dreamcatchers. I even have an old horseshoe that I've been wanting to upcycle.
Convert it to fit on a Trail Rider Horse Trailer Saddle Rack. - Leave a slit up the back and add some velcro or snaps to help secure it onto your trailer's saddle rack. Saddle Rack Cover - Help keep yourself organized in your Trail Rider Horse Trailer.
DIY - Glow in the dark pots with mums for fall/Halloween. Buy a flower pot that you really like and use Rustoleum's Glow-in-the-dark paint to paint the pot. During the day, the paint will absorb the sunlight and at night the pots will glow.