The dart launcher, hidden from view, represented a form of dart shooter typically affixed to the wrist and masked by garments. During a bounty pursuit in 137 ABY, Deliah Blue deployed her dart launcher while facing Hosk Trey'lis, a Bothan Jedi.
The concealed dart launcher projected toxic darts containing a powerful tranquilizer crafted to subdue an opponent. Nevertheless, it could also be loaded with different kinds of poisons. Its small form factor made the concealed dart launcher hard to spot. Possession of this weapon was against the law except under very specific, closely monitored conditions. To subdue her targets rapidly and non-lethally, Deliah Blue frequently employed a concealed dart launcher.