I didn't see Kevin's reply when I made mine, above. I think the CR TR (cross tracer) refers to different directions of the tracer hash marks with red and black appearing alternate and perpendicular to each other along the length of the loom rather than red and black being alternate and parallel to each other.

1950 Chevrolet 3100 (Ol' Roy)

1939 Packard Standard Eight Coupe (The Phantom) | 1956 Cadillac Coupe de Ville (The Bismarck) | 1964 Ford Galaxie 500 coupe |1966 Ford Mustang (Little Red) | 1969 Pontiac GTO (The Dishpit) I 1979 Ford F-100 | 1976 Ford F-150 (Big Red) | 1995 Ford F-150 (Newt)