XS Scuba Highland Vortex Regulator Streamlined SetAn alternate way for a sport diver to configure their regulator instead of using a yellow octopus at the end of a long, yellow hose. The streamlined set prevents hoses from dangling and optimizes comfort. In the streamlined configuration, the hose on the primary regulator routes under the divers arm and attaches to the second stage with a 90 swivel adapter, optimizing comfort because the hose is no longer tugging on your mouth. The backup regulator,