Our story

“I can’t even get the teeth together. It’s too tough.”

Uncle Dave · 2011

This is the story of how his sister, his nephew and a family friend spent six years building him a better zipper.

Chapter 1 · Meet Uncle Dave

David Finger. Swim coach. Uncle Dave.

Dave coached with the Stingray Swim Club. He was diagnosed with myotonic dystrophy at 19, and over the years the small things got harder. Buttons. Zippers. Most of all, the start of a zipper, where you line up the pin and push it into the box with two steady hands.

His sister Nancy was an occupational therapist. Her son Scott is an engineer. They wanted Dave to keep dressing himself, on his own terms.

“There were things we wished we could do for him, and for some reason we latched onto the idea we could help him zip up his jacket.”

Scott Peters · ABC News, 2014
Uncle Dave, David Finger, sitting for an interview in 2011
Uncle Dave, 2011

Chapter 2 · The idea

Six years of nights and weekends.

2006

November 2006

One idea: magnets.

What if the two sides of a zipper could find each other? Scott’s first prototype was a real zipper, taken apart, with magnets glued on. It didn’t work. It did show him the way.

“It was from me taking apart zippers and assembling each prototype by hand that I determined that the problem all along had to do mostly with bad design.”

Scott Peters · Smithsonian, 2013
Version 1: Scott's first magnetic zipper drawing, from his invention journal
Version 1, from Scott’s invention journal
2007

2007 and on

A team of three.

Scott brought in Dave Lyndaker, a family friend and mechanical designer. With Nancy, they became DNS Designs. They all had day jobs, so the zipper got their nights and weekends: design it, print it, glue it, test it, start over.

The MagZip team, Nancy, Scott and Dave Lyndaker, on a couch holding MagZip zippers
The team: Nancy, Scott and Dave Lyndaker
2009

July 2009

Dave tries it.

They filmed Dave in his green jacket with a regular zipper, then with a prototype.

“Much easier. Compare it to what I struggled with on that other jacket, there’s no comparison.”

Uncle Dave · 2009
Regular zipper
Prototype
2010

2009 to 2010

Smaller, stronger, simpler.

A heavy #10 version for prototype jackets. Then a slim #5, with the first tooth built right into the base so the zipper starts clean every time. Then hooks that lock the two sides together once you zip.

Scott’s desk, the Zipper Lab, covered in pliers, glue, parts and zippers
The Zipper Lab: pliers, glue and a lot of zippers

Chapter 3 · The long middle

27 versions. Hundreds of prototypes.

Every one of these was drawn, built and tested before MagZip® was ready. Swipe through the real thing.

2007, Version 1
2007 · Version 1Scott’s first magnet idea, drawn in his invention journal on January 4, 2007. The idea itself came in November 2006.
Version 2
Version 2Dave Lyndaker’s split-zipper concept. It held the idea for a long time, until prototypes showed it wasn’t strong enough.
Version 3
Version 3The first one built. Every part 3D printed on a single frame to keep costs down.
Version 4, key design
Version 4 · key designThe switch to a rounded base, so the two sides line up even when they’re a little off. Built in aluminum.
Versions 6 to 8
Versions 6 to 8Printed parts glued onto real zipper tape, one prototype at a time.
2009, Version 7
2009 · Version 7A heavy-duty #10 version, made for prototype jackets.
2010, Version 9
2010 · Version 9Down to a #5 zipper. The first tooth now joins the base on both sides, the key to a clean start.
Version 11
Version 11Hooks replace the fiddly flexure. This one has all the major features of the final product.
2011, Version 14
2011 · Version 14Machined metal prototype. The version shown to Under Armour, and the first on Under Armour jackets.
Version 17
Version 17Each base molded in two pieces with the magnet sealed inside, so it can be made alongside any other zipper.
Version 27, final
Version 27 · finalThe production design, in two sizes: lighter garments and heavy coats.

From the Zipper Lab

Nights, weekends and a lot of glue.

An early metal MagZip base, held in fingers
An early metal base · 2010
Early prototype bases sewn into a tan jacket
First prototypes sewn into a jacket · 2010
A small hand-finished prototype base held between two fingers
A hand-finished base · 2012
Prototype zippers laid out in order from version 3 to the final design
Version 3 to the final design
Nancy, Scott and Dave Lyndaker holding MagZip zippers
Nancy, Scott and Dave · 2013
The team standing in a living room holding colored MagZip zippers, photographed for a Democrat and Chronicle story
For the Democrat and Chronicle story · 2013
A magazine article titled Oh, snap! Zip quicker, about MagZip
In print: “Oh, snap! Zip quicker.” · 2014

The moment it worked

“I was given a jacket with the new magnetic zipper… works wonderfully. It was a godsend.”

Uncle Dave · 2011

Chapter 4 · Going public

From one jacket to the world.

2011

2011

It wasn’t just Dave.

Everyone who tried it wanted one: kids, grandparents, skiers in gloves.

200+people tested it
88%found it easier

“We realized this zipper can help everyone. It’s simpler. It’s universal design.”

Nancy Peters, OTR/L · 2011
Nancy Peters, occupational therapist, in a 2011 interview
2011

October 2011

Under Armour calls.

Under Armour found the patent. That October, the team presented at Under Armour’s Innovation Day, and the metal prototype went onto Under Armour jackets that fall. Under Armour licensed it, Ideal Fastener made it, and QuickZip became MagZip.

Version 14: the machined metal prototype shown to Under Armour
Version 14, the one Under Armour saw
2014

2013 to 2014

The world notices.

Smithsonian called it the world’s first one-handed zipper. ABC News called it possibly the most radical innovation in zippers in over a century. Inside Edition took it to national TV, and in fall 2014 the first MagZip jackets hit stores.

Under Armour’s launch video said it best: “We fixed zippers.”

Under Armour’s MagZip launch video · press play for sound

Smithsonian · Oct 2013ABC News · Feb 2014Inside Edition · national TV, Feb 2014Fast Company · 2018

“Possibly the most radical innovation in zippers in over a century.”
“Behold! The world’s first one-handed zipper.”

MagZip technology has been used by major brands around the world.

  • Under Armour
  • Tommy Hilfiger
  • Lululemon
  • KJUS
  • Lands’ End
  • Vineyard Vines
Scott, Uncle Dave and Nancy together, all in ANKHGEAR gear
Scott, Uncle Dave and Nancy

Chapter 5 · Today

Still for Dave.

MagZip is in clothing from brands around the world, and in every ANKHGEAR hoodie, vest and ZipperBuddy we make.

“It wasn’t just Uncle Dave who was frustrated with zippers. A lot of people are, and we hope this makes their lives a little easier.”

Scott Peters · ABC News, 2014

“Even though Uncle Dave and my mom Nancy are no longer with us, we still carry the torch forward. We hope you join us in this mission to make people’s lives just a little bit easier with a zipper design that is universal and better for everyone.”

Scott Peters, founder

To learn more about our mission and manifesto, click here.

Where to find MagZip.

  • Built in

    FREEDOM Hoodies, kids hoodies and the TeeUp golf vest, with MagZip already sewn in.

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  • Sew it in

    MagZip zippers and parts for makers, tailors and anyone updating their own clothes.

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  • No sewing

    ZipperBuddy adds MagZip to the coat you already have. It was invented by Sandi DeRuntz. Meet Sandi.

    See ZipperBuddy →
  • For brands

    Making clothes at scale? ANKHGEAR and Ideal Fastener can supply MagZip in volume.

    Talk to us →