On both sides we had to fold it back about 4 inches on the leading bar away from the leading bar assembly- which is designed to move in and out. The fabric was very tight and completely covering that assembly. The way it is designed, It makes it very easy for this to happen. I believe that "tug of war" is what caused the other slider assemblies to crack in the first place. I may have to actually cut away the excess fabric as I am not sure it will stay folded back with continued movement.