45. You can add duct tape to a water bottle for an emergency.
Duct tape is useful for many camping hacks. There are many reasons why duct tape is a useful addition to any camping trip. But what happens if you forget it in your tent while you explore the local area. This is no longer an issue.
Wrapping duct tape lengths around your water bottles before you leave for the day will do just that. You can cut as many lengths of duct tape as you need and then attach them to the bottle. Add a piece or card to the end of the tape so that you can grab it quickly without scrabbling.