My subs have leaked our safe word. How can we avoid this happening again?

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That's my name! That's a beautiful shark btw.

Just 1h?
Amateur

The first version was actually patented, so we know how that one worked fully. The latest versions are secretive but they still likely measure the same thing.

https://www.cs.cmu.edu/~dst/Secrets/E-Meter/hubbard-patent.html