You can pick up several of these hooks for under $10. While my teardrop trailer doesn't have a lot of metal on it, we do use these hooks on the side of our camping table for garbage bags, towels and barbecue tools and to hook towels over our propane tank to protect it from the sun. They also come in handy if you have a metal bear proof food box in your campsite. We love to hold up our ice chest cover with them and hang up hats and clothes. Just remember to detach them and pack them away before you leave your site.