The proper use of zipper fittings

Because the metal upper and lower end for the penetration chain with feet design is more sharp, in the process of manufacturing and use will accidentally expose the sharp part, there are unsafe factors, therefore, it is recommended that children's clothing in the choice of zippers using injection molding form of the upper and lower stop. The same is true of zippers used in underwear. For the open tail zipper, when using must pay attention to plug the intring into the bottom of the socket cavity, plug in the end, and then pull the pull head, if the intring failed to plug in place, forced pull head, easy to cause the zipper's first chain tooth deformation or shift, resulting in both sides of the chain teeth can not mouth or pull the head dead pull, even if it can pull will also cause the chain tooth "broken stomach" phenomenon. The intring is not in place, which can easily cause damage to the plug-in. The correct method When the pull head does not move, please pull the head back, check that the intring in place will not be a problem in pulling.