Forgo the meat marinade and put the rosemary right on the coals.
Cotton pads dipped in wax are a crazy easy way to make portable fire starters.
Make an easy-to-carry fire starter with a cardboard-only egg carton and match light charcoal.
Camping washing station. Fill empty laundry dispenser with water.
Make travel coffee bags out of coffee filters and dental floss.
Make pocket-sized oil lamps out of travel-size or hotel toiletry shampoo bottles.
Cook cinnabuns (the canned kind) in a hollowed-out orange over a campfire.
Glue sandpaper to the top of your match holder.
Use a bucket and a milk crate as an emergency toilet.