the present invention provides a novel method for forming hook elements directly on a fabric substrate . in the method of present invention , melted plastic material is injected into cavities of a molding roll ; excessive plastic material is scraped from a peripheral surface of the molding roll with a scrapper ; a web of fabric substrate is bonded to the hooks molded in the cavities through a thermo - pressing process by using a thermo - pressing roll ; and the combined hooks and fabric substrate is cooled and removed from the molding roll to form a fabric material with a hook strap . the present invention also provides an apparatus for performing the method of the present invention .