Which of the following is a critical reason for securing firearms when not in use?

Securing firearms when they are not in use is vital primarily to prevent unauthorized use and enhance safety. This practice is crucial for several reasons. First, it protects children or untrained individuals from accidental access to firearms, which can lead to tragic accidents. By storing firearms securely, such as in a locked safe or using trigger locks, you mitigate the risk of these dangers occurring.

Moreover, securing firearms helps in preventing theft, which not only safeguards the firearm itself but also contributes to broader public safety. When firearms fall into the wrong hands, they can be used in crimes or violent incidents, posing a significant risk to the community.

In contrast, other options do not address the primary concern of safety and responsible firearm ownership. Showing off firearms to friends, keeping them clean, or attempting to increase their value are secondary considerations that do not take precedence over safety and the responsibility that comes with firearm ownership.