Just when I think I’ve seen every type of security device available, something new shows up.  This is for a current project in New York City.  The Johnson Security Lock has a cylinder on the outside of the door and a chain that wraps around the crossbar of the panic hardware on the inside.  This isn’t how I would handle this, but it’s in the facility standards.

Have you seen this before?  If yes, is it still available, and from where?


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