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What Knot To Do

For camping, fishing, or boating, know which knot you need and how to tie it.

What Knot To Do provides descriptions, instructions, and a glossary for over 70 types of knots in six categories

What Knot To Do

by Columbia Sportswear Co.
Pick a category and choose your knot
What Knot To Do
What Knot To Do
FREE in the App Store

What Knot To Do provides descriptions, instructions, and a glossary for over 70 types of knots in six categories.

Pick a category and choose your knot. You can simply choose a category according to your activity to see the most common knot types. With sections for boating, camping, fishing, climbing, and utility, you find what you need fast. Then, just select the knot type to get a description and step-by-step instructions on how to tie it.

Pick a category and choose your knot
Helpful app features

Helpful app features. If you are not sure which type of knot you need or have been told by someone which one to use, you can look for how to tie it in the search section. Additionally, there is a convenient glossary of terms, which also contains a search feature within it.

What is it about?

When you need to tie a knot, What Knot To Do shows you how. With simple navigation, you just select a category such as camping or boating and pick your knot. If you are not sure which one you need, check the glossary. And, when you are ready, you can easily follow the step-by-step instructions to tie that perfect knot.

For those who...

  • Need help tying knots
  • Are not sure which knot is correct for the activity

Not for those who...

  • Are a knot-tying expert
  • Already know how to tie the knots needed

Why we love it

Find the correct type of knot for your activity and learn how to tie it with What Knot To Do. Whatever your next great outdoor adventure; this app has the knot for you.

App Screenshots

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App Details

Utilities Sports
Last updated
August 23, 2018
Release date
December 19, 2009
More info

App Store Description

We Believe in Leaving No Knot Untied

Columbia Sportswear Company is proud to present the first in a series of free iPhone Apps designed to help you get the most from your adventures in The Greater Outdoors.

What Knot to Do (in the Greater Outdoors) is your pocket guide to 70 must know knots in six categories. With this App you’ll always have just the right knot at the ready, with clear step-by-step tying instructions to meet any and every outdoor need.

What Knot to Do includes illustrated examples of each knot, as well as a full glossary of terms to help make you an expert knotter in no time.

The knot collection can be viewed by category, in a single alphabetical list, or saved to a group of your own favorites for quick access.

Learn to tie the perfect knot, whether for fishing, sailing, backpacking, hunting, building a shelter, lashing up a raft, tying down a load or tying up your llama.


• 92 knots in 6 categories
• Glossary of terms with over 70 entries
• Illustrated terminology examples
• Introduction to knots, cordage and knot tying
• Easy to follow step-by–step tying instructions
• Clear, detailed illustrations of every step
• Each knot referenced to The Ashley Book of Knots (the bible of knotting)
• Fast, easy knot selection
• Navigate knot steps by touch, swipe or flick
• Save any knot to your Favorites list


Bends (16)
• Albright Special
• Ashley’s Bend
• Blood Knot
• Carrick Bend
• Double Figure of Eight Bend
• Double Uni Knot (NEW!)
• Fisherman’s Bend
• Flemish Bend
• Grapevine Knot
• Harness Bend
• Heaving Line Bend
• Hunter’s Bend
• Nail Knot (NEW!)
• Ring Bend
• Seagaur Knot (NEW!)
• Shake Hands Bend
• Sheet Bend
• Simple Simon Bend
• Surgeon's Knot (NEW!)
• Zeppelin Bend (UPDATED!)
• Zeppelin Bend - Tied In-hand (NEW!)

Bindings and Lashings (11)
• Boa Knot
• Constrictor Knot
• Diagonal Lashing
• Double Figure of Eight Hitch
• Miller’s Knot
• Pole Lashing
• Reef Knot
• Sheer Lashing
• Square Lashing
• Strangle Knot
• Transom Knot

Hitches (23)
• Anchor Bend
• Bachmann Knot
• Boom Hitch
• Buntline Hitch
• Cleat Hitch (NEW!)
• Clove Hitch
• Cow Hitch
• Davy Knot (NEW!)
• Figure of Eight Hitch
• Gaff Topsail Halyard Bend
• Heddon Knot
• Highwayman’s Knot
• Improved Clinch Knot (NEW!)
• Klemheist Knot
• Lighterman’s Hitch
• Marlinspike Hitch
• Mooring Hitch
• Munter Hitch
• Offshore Swivel Knot (NEW!)
• Ossel Hitch
• Palomar Knot
• Pedigree Cow Hitch
• Pile Hitch
• Riffle Hitch (NEW!)
• Rigger’s Hitch
• Round Turn and Two Half Hitches
• San Diego Jam Knot (NEW!)
• Snell Knot (NEW!)
• Timber Hitch
• Trucker’s Hitch
• Turle Knot (NEW!)
• Uni Knot (NEW!)
• Uni Snell Knot (NEW!)

Loop Knots (11)
• Alpine Butterfly Loop
• Bimini Twist (NEW!)
• Blood Loop Dropper Knot
• Bowline
• Bowline on the Bight
• Double Bowline
• Double Figure of Eight Loop
• Figure of Eight Loop
• Homer Rhodes Loop (NEW!)
• Mast Jury Rig Knot
• Midshipman’s Hitch
• Non-Slip Mono Loop (NEW!)
• Perfection Loop
• Steve Huff Double Figure of Eight Loop (NEW!)
Surgeon's Loop (NEW!)
• Threaded Figure of Eight Loop

Special Knots (4)
• Sailor’s Lanyard Knot
• Man-o-war Sheepshank
• Prusik Knot
• Sheepshank

Stopper Knots (5)
• Figure of Eight Knot
• Heaving Line Knot
• Overhand Knot
• Stevedore Knot
• Oysterman’s Stopper Knot

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