That's a great and very practical question! Yes, absolutely, many outdoor trash cans can be secured by chaining them to a fixed object like a post, fence, or railing. It's a common method to prevent theft, deter animals, and keep bins from being blown over by strong winds.
For this to work effectively, the trash can itself needs a suitable anchor point. Many commercial or heavy-duty models come with built-in metal handles or reinforced holes specifically designed for adding a lock or chain. If your can doesn't have one, you can often drill a small hole in a sturdy part of the rim or upper body. Just be sure it's thick enough plastic or metal to hold.
You'll want to use a durable, weather-resistant chain and a sturdy padlock. Loop the chain through the trash can's anchor point and then around the permanent post or fence, securing it with the lock. Avoid making the chain too tight; allow a little slack for easy lid opening and moving the can for collection.
This method is highly recommended for shared spaces, high-theft areas, or places prone to high winds. It provides a simple, visible deterrent that keeps your bins right where you need them. Just remember to check with local waste collection guidelines to ensure chaining doesn't interfere with automated truck arms if you use that service.