tailgate bar rubber strip

Hey yall! Been a minute. Stull wrenching on the '98. Found my tailgate bar, and was just wondering in how the seal goes on it, as it came off. Probably going to need a new one and new brackets, but it'll do for the time being. Just need to know how it goes on. Pictures attached. Thanks!

I have had my tailgate bar for several years. I had the back window unzipped and the bar was loose. I was going along and a gust of wind pushed the bar outside of the truck and it was floppin around, so I pulled over to put things right, only to discover the rubber seal was gone. I have looked...