That's an excellent and very practical question! It's a common frustration for homeowners and businesses alike. The good news is, yes, there are several effective locking mechanisms available for standard outdoor trash bins, ranging from simple DIY solutions to commercially purchased products.
The most common issue people want to solve is wildlife, like raccoons and bears, getting into the bins. For this, simple bungee cords or heavy-duty straps with hooks can be stretched across the lid and secured under the bin's handles or rim. It's a low-cost fix that often works well for determined critters.
For a more robust solution, you can purchase aftermarket locks designed specifically for trash cans. These are often heavy-duty plastic or metal latches that clamp the lid to the body of the bin. They typically use a combination lock or a key lock, preventing both animals and unauthorized humans from easily opening it. Brands like "Simplehuman" even offer integrated lock systems on some of their premium models.
Another popular method is using a lockable strap or a cable lock, similar to a bicycle lock. You thread it through the handles of the bin and the lid, then secure it with a padlock. This is highly effective and versatile for different bin styles.
If you're dealing with wind rather than pests, locking wheeled bin lids together with a strap or a dedicated "lid lock" can prevent them from blowing open and scattering debris.
In summary, securing a standard outdoor trash bin is absolutely achievable. Your best choice depends on your primary threat—whether it's clever raccoons, high winds, or simply needing to control access in a public area. Investing in a proper locking mechanism saves money, mess, and frustration in the long run.