What’s something that you’re bound to find in every Australian home?

A jar of Vegemite or Peanut Butter are given, but what about an empty gas bottle in the shed? The Good Scissors™ in Mum’s sewing kit (which is always a repurposed old fishing tackle box)? That kitchen drawer that has all the odds-and -ends: utensils that have a very specific and rarely-used function; warranty cards and instruction booklets for long-gone appliances…Let’s hear your suggestions!