Another problem of stuffing thick material into the narrow slot of a long tube (re:window shade)! The window shade is being redone by the guy David suggested.
I am getting close to getting the upholstery done by someone who isn’t me. I will forward the tip, thanks again!
To add some pointless trivia, when I cut down the surface rust on the robe rail bar it had been flash coated with copper. Anti-corrosion not entirely effective?