### 2. It Acts as an Instant Alarm (Without Technology)
The foil doesn’t prevent entry, but it **alerts you immediately**.
That matters more than people realize.
Most home intrusions succeed because:
* Occupants are asleep
* Entry is quiet
* No one notices until it’s too late
The foil disrupts that advantage by:
* Waking you up early
* Giving you precious seconds to react
* Signaling that something is wrong
Early awareness can be the difference between calling for help and being caught off guard.
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