The Jekk'Jekk Tarr was a cantina that was located within the spaceport docks of Nar Shaddaa and circulated cyanogen fumes along with a variety of other pollutants that were lethal to Humans and Nikto, but commonplace for, and often preferred by, many other alien species. Before its establishment as a cantina, it was a ventilation system for passing nagnol gases to the docks. It was designed to be a haven for the more exotic species of the galaxy; its very atmosphere providing a buffer against less desirable company. Instead of serving drinks, the bar served "nutrient chemicals" to its clientèle, who paid large sums of credits for the privilege.
