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New TeacherLock® II / SaberLock™ II Provide Instant Lockdown and Code Compliance in 50 States

Defcon Products, LLC, manufacturer of the TeacherLock / SaberLock lockdown device is pleased to announce today that it has added TeacherLock II (TL-II) and SaberLock II (SL-II) to its family of emergency lockdown devices.