A security device detaches a combination electronic article surveillance and radio frequency identification tag, and includes a detacher to selectively disengage a clutch release disposed in a first portion of the combination EASRFID tag, a near field antenna configured to electronically read information stored in a second portion of the combination EASRFID tag. The source code is then compiled to provide run time code, wherein compiling of the expression produces a form of the expression having the intent of the expression by maintaining all operators and operands of the expression. A circular portal is located in the peak of the chamber. This multiple-segment construction, with its bias-cut segments, decreases the amount of fabric that is used in the manufacture of the air bag and tethers, while providing sufficient elongation for the tether system to be functional. The processor is further configured to display to the driver indications of the safety events on a map display along with indications of safety events associated with other drivers.