A knot shaped by what's tied inside it
A monkey's fist is built around a weight so a heaving line can be thrown, and its three sets of turns are the minimum that will close around a core and hold it.

One monkey's fist, drawn large and dead centre on navy. Three sets of turns interlock, each strand a flat cream band with a single line tracing it. The tail runs straight off the bottom edge.
Most knots are shaped by the pull on their ends. This one is shaped by what's inside it.
What is a monkey's fist knot actually for?
Getting a rope from a boat to a quay when the rope alone won't carry the distance.
A length of light line thrown by hand loses to the wind before it reaches anything — it has no mass to carry it through the air. Tying a weight into the end fixes that, and a monkey's fist is the knot that holds the weight in place: a compact, roughly round bundle a person can grip, swing and throw, with the heaving line already fixed inside it.
Why does it need three sets of turns rather than two?
Because two sets of turns won't close around a round core, and three is the smallest number that will.
Each set of turns runs through the ball at a different angle to the last, and the third pass locks across both of the first two, the way three struts at right angles to each other are the minimum that will cage a sphere. Take a set away and the turns fall open around whatever's inside. That's what makes this one of the few common knots whose shape comes from an object it's holding, rather than from a load pulling on its ends.
What makes a good drawing of it, rather than a good knot?
Whether a single strand can be followed with the eye from where it enters to where it locks.
Three sets of turns overlapping is naturally hard to read — on a real knot, the far side is mostly guessed at. Drawing every strand as a flat band with one line following its own twist keeps each pass distinct through the overlaps, which is the entire difference between a picture that reads as a knot and one that reads as a tangle. The tail running off the bottom edge matters too: stopping the line at the knot's boundary would seal it into an object with nothing beyond it, and a monkey's fist is never the end of the rope, only a shape tied partway along it.
Who owns the way this knot is tied?
Nobody. A knot is a sequence, not an image, and a sequence belongs to no one — the same as any other rigging method or engraving style.
What a specific artist owns is their particular rendering of it: this exact weight of line, this exact palette, this exact way of showing the overlap. Copying that drawing is different from tying your own monkey's fist from the same sequence sailors have always used and drawing it fresh.
How is this different from the bowline shirt?
The bowline is a diagram of load passing through a loop. This is a diagram of turns closing around something they're holding.
A bowline drawn at this scale shows how one loop threads through another under tension — its whole argument is about what happens at the ends of the rope. A monkey's fist doesn't have that kind of tension running through it in the same way; its shape exists because of the core at its centre, not because of a pull at either end. Someone deciding between the two is really choosing between a knot about load and a knot about a thing it's built to carry.
Does this suit somebody who's never thrown a heaving line?
Yes, in the same way a plate of knots suits somebody who's never needed to tie one under pressure — the object doesn't require the history to be worth wearing.
What it isn't is a decorative fob knot, tied loose around nothing the way the same shape gets sold as a paracord keychain on land. Drawn with the tail running off the shirt and the turns shown holding something, it stays a working knot with a job, not a trinket shape borrowed for its symmetry — closer in spirit to eight knots set out as a working catalogue than to anything sold as jewellery.
Does it print well?
Yes — one flat band construction, two inks, no shading beyond the single traced line on each strand.
Cream on navy holds the overlaps clean at the size a chest print needs, and a hard line reproduces far better on fabric than a soft rendered rope would. Centring the knot and giving it room on every side is what keeps three sets of turns from collapsing into one grey mass once it's actually printed.
How do I get one made?
Describe the knot at JustOG — how large, how many turns to show, and which way the tail should run. Pick a direction, drag the crop frame, see it composited on the real garment, and it's made to order and shipped.
Designs other people have published are in the shop.
Take the weight out and the turns fall open. Leave it in and they hold a shape a hand can throw.