From bobbin lace to Raschel: how the cloth changed
A short history of lace as an industrial textile — from Flemish bobbins and Leavers machines to today’s multi-bar warp knits.
Water-resistant versus airtight zippers
PU-coated water-resistant coil is not a hermetic airtight zipper — when to specify a film-laminated tape, a storm flap, or a true sealed chain.
Invisible zippers: coil on the reverse side
An invisible zipper is a reverse-coil chain with a special slider — insertion length, grooved foot, and the mistakes that jam the slider in bulk.
Sew-on buttons: holes, shanks and how they sit on cloth
Two-hole and four-hole sew-throughs versus tunnel shanks and metal loop shanks — and why shank height matters on a coat.
Moulded plastic zippers: POM, Vislon and injection-moulded teeth
Injection-moulded POM elements on polyester tape — why #5 and #8 plastic zippers belong on down jackets and bags, and how they differ from coil.
Coil (nylon) zippers: spiral elements on tape
How a nylon monofilament coil is wound on a filler cord, sewn or woven to tape, and why #3 and #5 coil remain the workhorse of apparel closures.
