For boat repairs, lifting pots and bonking for fish. I've attached a cord for connecting to the boat when fishing. This fits in the mouth of my Eddie Bauer one-litre thermos for Melitta style coffee without the bulky filter holder or disposable filters. Nice for handling pots over an open fire. Great to encourage frequent hand washing when fresh water is at a premium.
Nobody wants to get sick on their holidays.
Cook's Notebook . One with waterproof pages is handy for jotting recipes and ways to 'kick up' packaged foods. For me and anyone who offers to sous-chef.