1968 Dodge Dart GT Sleeping Beauty?
Next batter up were the quarter window vertical seals/felts. Insert the front thin lip first. It will make sense as you start. Do one side at a time remove replace. Once the front side is sitting in place go to the back of the seals. Use a flat blade screwdriver and work the wider rear seal into the channel. Top to bottom. Then go back again and work the rest of the wide seal into the quarter window frame.
Pulling it out.