We now repeat it at the top end of the zip, it is a little trickier because we have to pull the zipper down. Pull zipper down to a few cm below your marking. Pin zipper together at top as above being careful to keep the two sides of the zip teeth together, as if they were closed.
Repeat the exact same process as the other tab.
Place tab face down, good sides together on the zip, aligning the edge with the marking. Pin and sew across in crease line, where pin is in the picture. Trim off the end of the zip at marking/edge of tab.
Fold tab over the end of the zip to the other side of the zip, the end will tuck in because you ironed it earlier.
Pin and sew from good side.
Video 15:20