Thanks for the excellent explanation. Is it possible to do this without removing the stay pads? Actually my stay pads are in bad condition (it has stitches on it). I also want to change the stay pads. I think stay pads are made of a material similar to seat belts. (a little thicker ) Is it possible to replace them with a new one without help? If it's not difficult, i want to do both of them. Thank you for your help.