T.zip

Add a second line of to secure it. This second line will be visible on the finished piece.

If you're making a pouch or a bag, you might find that the ends of the zipper look messy. (small fabric caps) cover the ends of the zipper tape where it meets the side seams. Add a second line of to secure it

Some sewers use a glue baste to hold the zipper in place before sewing, which prevents shifting. Add a second line of to secure it

This approach helps build muscle memory for how fabric should look when turned right side out. Add a second line of to secure it

If you're struggling, you can use heat-activated bonding or double-sided tape to position the zipper before you ever touch the sewing machine.