Sky in Rover 416 Si

Hello!!! Would like to introduce me briefly my name is Betrnd am almost 75 years young and come from Wuppertal and need your help.Did I buy a Rover 416Si about 2 weeks ago 22 years old only 70000 ran was registered only in winter.It has always been made on the vehicle now to my problem the sky hangs through has someone had this already???My question is how to get the fabric back fixed ???Had the same problem a few years ago with a Pontiac Trans Sport there was the sky fixed with over 50 colorful pins.I don’t want to do that with the rover.I would be happy about an answer.