That's a common frustration! You neatly line a public waste bin, only to find the bag dragged out with the trash. Here are a few simple, non-damaging methods to secure it.
First, try the Bungee Cord or Elastic Loop Method. Stretch a looped cord or a large rubber band around the outside of the bag's lip. Then, hook or tuck the ends under the bin's rim or handles. The tension holds the bag in place.
For bins with a rim, the Clip Method works well. Use sturdy binder clips, strong office clips, or even plastic bag clips. Attach several around the bag's edge, clipping it firmly to the bin's inner rim. It's quick and removable.
If you have spare Zip Ties, poke small holes near the top of the bag (below the rim). Thread zip ties through the holes and around the bin's handles or ventilation slots, then tighten. Snip them off when emptying.
A Double-Bagging Twist can add friction. Place your primary bag, then add a second bag lining the bin. Twist the tops together before folding them over the rim. The combined material grips better.
Finally, Maximize Coverage. Ensure the bag fully expands to cover the entire interior, especially the top edges. More surface area contact creates natural friction against the bin's walls.
Remember, these are for temporary, respectful use of public bins. Avoid glues, tapes, or anything that damages the bin or creates work for custodial staff. A little prep saves you the hassle of retrieving a bag from the trash heap!