I dont know about you but I always take cotton swabs and tuna cans camping...
https://blossom.primal.net/2e2752cc8edd8698aaccfafe4898e83c6c1a20a62a92e89c43e6fca94536dce9.mp4
And especially glass whiskey bottles with hole in bottom.. normally dangling from my belt gypsy travelling salesman style.