: If your zipper tape isn't quite long enough, you can "extend" it by sewing fabric tabs to the ends, which also provides a cleaner finish for the edges.
: For very long pieces like parkas or large bags , you can add two sliders facing in opposite directions (back-to-back or head-to-head) to create a double-ended zipper. c2.zip
: If you are struggling to hold the slider while inserting the tape, try sliding the pull onto the prongs of a kitchen fork to hold it steady. : If your zipper tape isn't quite long
: Trim one side of the zipper teeth down by about 1/4 inch. This creates a "lead" that makes it easier to guide the slider onto the other side first. Insert the Slider : : Trim one side of the zipper teeth down by about 1/4 inch
: Hold both tape ends firmly and pull the slider down onto the teeth. If the teeth don't align correctly, remove the slider and try again to avoid a bulging track .
: Separate about 2–3 inches of the zipper tape at one end.