Retroovian flask
A Retroovian flask was an elaborate container that could hold a gelatinous spray capable of rapidly expanding and trapping a person in solid gel. Such an entrapped person could be freed by a phaser blast.

In 2381, Ensign D'Vana Tendi found a Retroovian flask during anomaly consolidation duty on the . She accidentally spilled the contents of the flask on Ensign Beckett Mariner, who was briefly plastered against the ceiling by the gel. ()

Technology