oow, great home security. I've never heard anything like this before. It sounded very interesting and logical. Any other suggestions?In Japan, gravel is used for home security measures. In the category of security software, it is like an intrusion detection system.
When it comes to home security, it's best to think in terms of intruders and criminals. It is imprudent, but it is the shortest course to know the environment that you want to avoid psychologically.