Uploaded August 2021 | Updated September 2026, 2 days ago

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In this video GravityKarma takes us through a teardown of the legendary Mersey Lock in both it's 10 lever and 14 lever form. These locks were used until at least 2004 by the Ministry of Defense in the UK, to secure "classified materials" in file cabinets, safes and storerooms.
GravityKarma - youtube.com/channel/UClRzkaalqVQRuZYA_QEluow