What is the point of a two-way zipper?

ELI5: Why do some jackets have two zippers? : r/explainlikeimfive

Why do some coats have a zipper and buttons on them? - Quora

Do you need a two-way zipper on your hiking jacket?

ELI5: Why do some jackets have two zippers? : r/explainlikeimfive

What is the purpose of a double zipper? - Quora

What is the point of a two-way zipper?

5# two ways pull two point teeth metal zipper A

Two-Way Zippers

ELI5: Why do some jackets have two zippers? : r/explainlikeimfive

Yn-mzr05-#5 Double Point Teeth Metal Zipper Gold Teeth Metal Zipper Roll For Handbag And Backpack Eco-friendly Zippers , Find Complete Details about

Yn-mzr05-#5 Double Point Teeth Metal Zipper Gold Teeth Metal Zipper Roll For Handbag And Backpack Eco-friendly Zippers - Buy Two Way Metal Zipper,Gold