What is the point of a two-way zipper?

A two-way zipper lets you open your garment and still look cool, all without catching a chill. Berluti

Winter Coats – How to Work a Two-Way Zipper

uxcell 10 Sets Double Open Zipper Repair Latch Kits, 5 Insert Pins for Jacket Coat Two-Way Separating Zippers, Silver Tone

What is the purpose of a double zipper? - Quora

What is a Two-Way Zipper and What is its Purpose?

Whistles Riley Trench Coat, Neutral John Lewis Duster Coat

Ohio Travel Bag-Zippers-#10 Vislon, Black, 30 YKK Separating Two-Way Jacket Zipper, Plastic, #10VTW-30-BLK-$8.10

What is the purpose of a double zipper? - Quora

How to Pick the Right Zippers for Your Project

Two-Way Zippers: Yay or Nay - YLF

What kind of two-way zipper do I need? - YKK Americas

29 Two Way Zipper Images, Stock Photos, 3D objects, & Vectors

How to use a Two-Way Zipper

Editorial

Editorial

YKK zip-fastener 10 mm closed end two-way O-form beige