self-filling dog feeder from a couple of 5-gal. buckets. With a saber saw, cut the bottom off one bucket to create a serving tray, and cut a food dispensing hole in the food storage bucket (as shown).

For instance, Harbor Freight sells its own branded all-purpose, 5-gallon bucket that can help you out in more ways than one. As the Harbor Freight bucket is advertised, it can hold tools ...

These considerations make it very portable and perhaps backpackable as well. [Figjam] took a 5 gallon bucket, wrapped the inside with two layers of swamp cooler matting, made a loop of hose above ...