Amarie enjoying her suck salt.

Suck salt was a product made of salt pressed into a stick, which is licked by the consumer. Amarie enjoyed this, although she characterized it as a "nasty habit". When offered a stick, William T. Riker stated that he "never cared for it". (TNG: "Unification II")

The Star Trek Encyclopedia (3rd ed., p. 481) identifies this as Sodium chlorine (ie the same as table salt) in solid crystal form.
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