What don't you put in a trap?

In a trap, you typically shouldn't put anything that could harm unintended targets, such as pets or wildlife. Additionally, avoid using items that might deter the intended catch, like strong odors or bright colors. It's also important not to place food that could spoil quickly, as it may attract unwanted pests or create a mess. Finally, never include hazardous materials or substances that could pose a danger to humans or the environment.