There are non-secret sorority hand signs which can be performed both alone OR with one other person. I suppose the significance/meaning of a shared hand sign at any particular campus/chapter may keep them unofficially in use longer than an NPC HQ may prefer.
__________________
I'm the only man with a Dallas Cowboys Super Bowl ring that doesn't wear it. I'm a Green Bay Packer.
Herb Adderley, co-founder, Sigma Chapter of Omega Psi Phi @ Michigan State University
It's only words, and words are all I have to take your heart away.
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