Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to dog proof your trash can [title] Pick a can with a heavier lid. [step] Instead of a plastic trash can, use a heavier metal can with a lid for your garbage. Small plastic cans are easy to tip over, even if they're hard to reach and relatively clean.

Ending1: This can make that garbage pretty tempting for your dog. [substeps] Metal cans don't have to look industrial. Ending2: [substeps] Smaller cans can have little metal drawers to hang in, while bigger ones don't. The best closed lids make for easy access to the items inside. Ending3: Try a stainless steel lid that's shaped like a frisbee. [title] Boost the stink by applying an aquarium spray. Ending4: [title] Use a wooden or plastic old coffee can. [step] A bench can be a good frame for a trash can if you're careful.

Answer format: ending1/ending2/ending3/ending4