In the past there have been a few signals that people have been asked to use if they are under the influence of a trafficker.   There is a SOS human trafficking hand signal has been developed.  They are campaigning to have it become the one consistent hand signal for use.  The signal is a simple twisting V
 
Here is a Public Service Announcement about “Share the Signal” and a link to the website
 
The simplicity of this gives in immense potential.  Please share
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