[header] How to use rubber bands [title] Open a tight jar using a rubber band as a grip. [step] Can't get an especially stubborn jar of pickles open? Wrap a rubber band around the lid a few times. This gives you better grip, making the jar easier to open. 
[title] Secure opened food bags with a rubber band. [step] After opening a bag of chips or any other bagged food item, fold the top over the bag a few times and tie a rubber band around it to keep your food fresh.