This video explores the possibility of using a 12-gauge flare launcher to set off perimeter alarms. Initial attempts with standard flare cartridges in the launcher resulted in ignition failures, with only primer strikes observed. A breakthrough was achieved by adding a small piece of paper around the flare's primer to create a tighter seal, allowing it to function as a signaling device or animal deterrent. The experiment also briefly tested firing the flare cartridges in a 12-gauge shotgun, noting the significant noise output.
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