Ian Fieggen (aka 'Professor Shoelace') Ian's Shoelace Site Ian's Shoelace Knot
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Surgeon's Shoelace Knot
Also known as the "Tibetan Trekking Knot" or "Sherpa Knot", this is the most common secure shoelace knot: Make a Standard Shoelace Knot, but before pulling tight, run the loop around and through the middle for a second time.
Step 1:
Surgeon's Shoelace Knot diagram 1
Tie a Left-over-Right Starting Knot as shown, then make the right (blue) end into a "loop" by simply doubling it back onto itself.
Step 2:
Surgeon's Shoelace Knot diagram 2
Take the left (yellow) end and pass it around to the right, going behind the right loop.
Step 3:
Surgeon's Shoelace Knot diagram 3
Continue the left (yellow) end around the right loop to end up in front.
Step 4:
Surgeon's Shoelace Knot diagram 4
Start to feed the left (yellow) lace into the "hole" that has just been made. Up to this point, the knot is exactly the same as the Standard Shoelace Knot.
Step 5:
Surgeon's Shoelace Knot diagram 5
Pull the left (yellow) lace through the "hole" to form a "loop" on the right hand side. Unlike the Standard Shoelace Knot, don't pull it tight just yet!
Step 6:
Surgeon's Shoelace Knot diagram 6
Wrap the right (yellow) loop around the left (blue) lace for the second time so that it once again ends up in front.
Step 7:
Surgeon's Shoelace Knot diagram 7
Feed the right (yellow) loop back through the "hole" for the second time. This is the "secret recipe" that makes this knot secure.
Step 8:
Surgeon's Shoelace Knot diagram 8
Now, simply pull the loops to tighten the knot. Believe it or not, the whole twisted mess of the previous drawing will rearrange itself into exactly the same finished knot as my Ian's Secure Shoelace Knot.


Finished Knot
Finished Surgeon's Shoelace Knot picture 1 The finished knot should be a tight, closed knot with a double wrap around the middle, as compared to the single wrap of either my Ian Knot or any Standard Shoelace Knot.
Finished Surgeon's Shoelace Knot picture 2 Because the Surgeon's Shoelace Knot isn't formed symmetrically, the finished knot can end up looking crooked, especially if there's not enough slack for the laces to rearrange themselves during tightening.


Technical Details
Knotting Terminology
Note that what is traditionally known in knotting terminology as a "Surgeon's Knot" is actually based on a Double Starting Knot rather than a double-wrapped finishing bow. Both benefit from the increased friction of the double-wrap, but that friction applies to different parts of the knot:
  • In the traditional Surgeon's Knot, the extra friction applies to the first stage (the starting knot), which helps keep the sides of a wound from opening up, particularly while the second stage is being tied.
  • In this shoelace variation, the extra friction applies to the second stage (the finishing bow), which is exposed to daily forces and thus needs the most assistance.


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Related Links
Ian's Secure Knot Ian's Secure Knot
Identical knot using a different technique (more symmetrical).
User-controllable Surgeon's Knot animation Flip Book
User-controllable animation of the Surgeon's Shoelace Knot sequence.
Turquoise Turtle Knot Turquoise Turtle Knot
Identical knot using another different technique.
Standard Knot Standard Knot
Simplified, less secure variation of this knot.

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