As I paint my second Tomcat pit, I'm curious as to what that covering is on the glareshields and why it's there. In most pics it looks like weathered burgundy colored vinyl and in others it looks like just beige canvas. What is this stuff and why is it covering the glareshields? I also notice a lot of fabric-like material along the outer portions of the cockpit, especially back in the RIO's pit. It appears to be grey canvas along the outside edges, right in front of all those breaker switch