Forum: Custodial
Moderator: Chris Gower | A forum for all things custodial including Prison & cell locks, Handcuffs, Leg Irons and other restraints
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Never seen a mappins patent with only 4 guards. Odd. It's chicken and egg, I find that the key will not want to go in until it's already cut as the sharp edge on the blank does not move easily...
Is it a Mappin