[SCP] here's my headcanon on the origins of the SCP-3125 containment vessel...pic.twitter.com/Jace5bRf4V
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Most likely story: the unit which became SCP-3125's was initially vacant and had no associated procedures. Someone went inside for testing purposes. There, they spontaneously uncovered SCP-3125. This person developed and implemented the containment procedures we see today
(You *can* take written messages to yourself out of a Vegas room. At first. But then the first written message says "Set up containment procedures so that nobody else ever brings written messages out of this room", and that's that.)
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