Coolcoupe
Search for this thread, "40 Tudor Front Seat Parts
I believe this is comment #27 regarding the part purpose, FYI
Originally Posted by nospartsman View Post
"Here's some more photos of the mythical seat back shields on 1940 Ford split back seats. Their purpose is to prevent the upholstery from tearing when moved back and forth at the pivot point. These have been on every split back seat car, tudors, convertibles and parts cars that I've had in the past 38 years". NOSPARTSMAN