I could use this as an outdoor pack or emergency pack. Multi-Purpose 1 day pack ( FirstSpear is a brand created by former U. servicemen, they develop enhanced light-weight load carriage solutions for the US Special Forces )
Freezing buttermilk or heavy cream cubes for cooking. I never use a whole carton nor do I have in stock when a recipe calls for a bit! This is genius! - I love this idea. Just use ice cube tray! Yeah, I can final make some recipes calling for buttermilk.