Outdoor trash cans are often targeted by animals like raccoons, dogs, and rodents, leading to messy spills and damaged bins. To design trash cans that resist chewing, consider the following strategies:

1. Use Chew-Resistant Materials: Opt for heavy-duty metals like stainless steel or thick, reinforced plastics that animals cannot easily gnaw through. Avoid rubber or soft plastics that attract chewing.

2. Secure Lids with Locking Mechanisms: Animals are adept at prying open lids. Use locking lids or spring-loaded closures that require human intervention to open.

3. Smooth, Slippery Surfaces: Animals struggle to grip smooth surfaces. A polished metal or slippery plastic design can deter climbing and chewing attempts.

4. Weighted or Anchored Bases: Heavy or anchored bins are harder to tip over, reducing access for animals. Some designs include ground stakes or weighted bottoms.

5. Avoid Food-Scented Materials: Certain plastics or coatings may emit odors that attract animals. Choose odor-neutral materials to minimize interest.

6. Elevated or Hanging Designs: Mounting trash bins off the ground or using hanging systems can prevent access by ground-dwelling animals.

By implementing these features, outdoor trash cans can become far more resistant to animal interference, keeping waste contained and neighborhoods cleaner.