Sex and Age Differences in the Bony Nasolacrimal Canal

A method of manufacturing a hidden type shoe with a replaceable vamp mainly includes a plurality of seal elements disposed in advance on a lower side of an upper mold of the shoe. The seal element is engaged in advance with a female latch member before the upper mold is coupled with a lower mold. Then a foaming material is blown inside the molds to form an outsole with a sole rim formed on the periphery thereof. The female latch member is embedded in the outsole and has a vertical insert opening with an elastic teeth flap located therein. The insert opening is bordered by an outer side wall which has a jutting ring formed thereon and a through hole formed in the center thereof communicating with the insert opening for housing a latch strut. The latch strut has an outer end formed a cap end.