You want pancakes when you camp... But it's messy, you have to take milk and eggs... What if you pre-made it before you left and stored them in bags. Freeze it, pack it, and just cut the tip off when you are ready to cook. Easy clean up!
Single use ointment/toothpaste/lotion/etc. put it in a straw. Heat your pliers and seal it shut. Hole punch and throw on a key chain inside your first aid kit/ toiletry bag/ purse / backpack. Great for camping, hiking, or traveling.--- Diaper rash ointment!?