Bring the top flap of your luggage case down and lay it as flat as possible after you have finished packing your belongings inside the case.
Place yourself in a comfortable position either near or on top of the luggage case to pull the zipper. Sitting on the bag helps flatten it out and line the zipper teeth as close together as possible.
Use your hand or your sitting body to firmly press down on the edge of the luggage case. Grab the pull tab of the zipper with the other hand.
Start pulling the zipper along the edge of the luggage case. If necessary, shift your body position with the movement of the zipper along each side of the bag.
Examine the spot where the zipper slider is stuck. Manually remove any fabric that you see is caught on it from the inside of the luggage case.
Stitch up, shift or remove any loose fabric inside the case that is causing the zipper slider to get stuck.
Slowly try to slide the zipper back and forth again.
Gently try to glide the zipper back and forth over the misaligned or split area of the zipper until the teeth realigns or straightens itself out.
If the slider won't budge over the misaligned or split area, use a flathead screwdriver to twist open and loosen up the back end of the slider piece.
Move the slider over the split area and then reverse it back to the closed part of the zipper.
Use pliers to pinch the slider piece and zipper teeth together on both sides of the zipper.
Try closing the zipper normally again. If it's still not working, repeat Steps 1 through 5 of Section 3 with more force until the zipper functions properly.
Apply water with mild cleaning detergent to the zipper and clean it with a soft toothbrush.
Spray some zipper glide lubricant on the corroded area. Gently try to move the slider to close the zipper.
If the slider and zipper are still fused together from the corrosion, try to break the slider away from the zipper and replace it with a new one.
