How to splice yarn in knitting without knots
A splice joins two yarn ends by intermeshing their fibres instead of tying them into a knot. Done properly, it creates a flexible join with little extra bulk, which is useful for colourwork, circular knitting and any project where a knot might pucker, catch or show.
The best method depends on the yarn’s twist and fibre. Firm worsted wool responds well to a dry twist splice, while smooth cotton, silk and bamboo can be joined with water. Fuzzy mohair, boucle and loosely spun novelty yarn are less predictable, so always test a scrap before relying on the join.
Why a splice is often cleaner than a knot
A well-made splice should feel like part of the yarn rather than a small obstruction. It leaves only short tails, can be adjusted for tension, and avoids the hard lump of a knot in cables or textured stitches.
A knot remains the safer choice for a structural join in very fuzzy yarn or for a seam under heavy tension. For ordinary knitting, however, a tested splice gives a neater result. Needlework Guide’s collection of knitting reference books offers useful background on yarn and construction, while the joining method still needs a practical trial.
Prepare the yarn and choose a suitable method
Before joining, confirm that both strands are the same yarn, colour and dye lot. Differences in twist or thickness can make a splice slip or produce a visible thick spot. Wind each ball so the working yarn feeds smoothly, avoid pulling hard from the centre of a loosely wound ball, and work on a clean surface with good light. For the workspace, gather a few simple items:
- Sharp scissors for trimming the joined yarn.
- A blunt tapestry needle for weaving in short tails.
- A small spray bottle and a cup of cool water.
- A tape measure for checking consistent overlap.
- A spare knitting needle for testing the joined strand.
Before making the join, check the following:
- Both yarns match in fibre, weight, twist and dye lot.
- The ends are clean, dry and free of stray fibres.
- There are at least 7 cm of each end available for the overlap.
- A scrap of the same yarn is available for practice.
- The planned join can be hidden in a side seam or hem.
Search engines may place an unrelated result, such as a page about bank transfer deposits, beside genuine knitting guides. Check that the source identifies the fibre, joining action and testing advice before using it.
Make a twist splice in firm wool
Use a twist splice when the yarn is smooth, firmly spun and has enough body for its fibres to grip. It is especially effective for 8-ply Australian worsted and merino, provided the ends are not heavily fuzzed. Keep the yarn dry and work on a clean surface so lint does not interfere with the friction.
Overlap the two ends by about 7–10 cm, with both strands running in the same direction. Pinch the middle of the overlap securely. Twist the overlapped strands around each other three or four turns, as though starting a two-ply length. Keeping that section pinned, rub your palms briskly over it so the twists loosen while loose fibres catch. Draw the yarn ends apart slowly, checking that the join tightens rather than unravels.
The movement matters: holding the centre steady prevents the whole length from kinking. Test the join with a gentle pull and a bend, then examine it closely before knitting. If the fibres simply slide apart, remake it with cleaner ends or use a tighter yarn. Avoid pulling hard during the rub, because that can tighten a weak join instead of forming it.
The main choices can be compared by yarn:
| Yarn type | Preferred method | Why it works | Watch-out |
|---|---|---|---|
| Firm worsted merino | Twist splice | Dry friction lets the fibres grip and reorganise | Loose or fuzzy yarn may peel apart |
| Smooth cotton, silk or bamboo | Wet splice | Damp fibres mesh under friction | Let the join dry before adding tension |
| Tightly spun acrylic | Test both methods | Some synthetics respond well to either technique | Heat and friction can damage some fibres |
| Mohair, boucle or novelty yarn | A small secure knot is safer | Fuzz may conceal a join but rarely holds it reliably | The extra bulk can be difficult to hide |
Wet-splice smooth cotton, silk and bamboo
A wet splice suits smooth yarns with a tight surface twist, especially cotton, bamboo and silk. Water slightly separates the surface fibres, and rubbing lets them mesh into one continuous strand. It can also work with some tightly spun acrylic, but test first and use cool, not hot, water.
Overlap the ends by roughly 5–8 cm and twist the sections around one another a few times. Dampen only the overlapped area with clean water; it should be wet enough to compress slightly, not dripping. Rub briskly between moist thumbs or palms until the fibres look fuzzy and begin to merge, then pull the two lengths apart with a steady movement.
Inspect the result before it dries, then allow any moisture to disappear before adding tension. A wet cotton join can tighten as it dries, so a stretch test after drying is useful. Do not wet-splice wool for a garment you may wash, since the friction and heat can encourage felting.
Place the join and secure both tails
For knitting in the round, join before the old yarn runs out. Knit to the final stitch of the round with the old strand, leaving a 15 cm tail. Use both strands together for that boundary stitch, then continue with the new yarn and secure the old tail out of sight. If the doubled stitch looks tight, redistribute it on the following round.
On flat knitting, a side seam, hem edge or colour boundary is usually the least conspicuous place to splice. Avoid joining in the middle of a row unless the pattern requires it, because any change in tension may affect the row length. Keep both ends accessible until the new yarn has supplied enough length for comfortable weaving.
Use a blunt tapestry needle to weave each tail through the wrong side of the stitches for at least 5 cm, splitting the yarn strands as you go. Do not pull the tail tightly, and do not finish with another knot; small loops that lock inside the fabric can leave a hard spot. Trim close to the fabric after the tail is secure, and weave colour tails separately.
Troubleshoot joins and choose Australian yarn
If a twist splice splits, the yarn may be too loosely spun, washed or covered in lint. Another dry attempt with cleaner strands can help, while a smooth yarn may perform better with the wet method. A join that feels bulky can often be improved by redistributing several stitches and using the next row to even the tension. Sharp, secure ends are more important than extra twist turns.
Australian yarn shops commonly sell ball yarn in 100 g balls, and 8-ply is a familiar thickness on labels. Merino is associated with flocks across New South Wales, Victoria, Tasmania and Western Australia, so check fibre content and the place of origin rather than assuming every ball has the same spring and wash behaviour. Weekend makers’ markets in Melbourne, Sydney and Brisbane often bring small-dye-batch and hand-dyed choices alongside standard balls.
Most Australian patterns use metric needle sizes, making the stated size directly usable with local needles; keep the yarn label nearby while checking the suggested gauge. Community yarn circles and op shops are also useful sources for inexpensive practice yarn, although odd dye lots and mixed fibres are common. In Perth’s dry summer or inland Queensland’s heat, store yarn away from direct sun and use a clean bag to keep cotton crisp and reduce static.
A useful starting point is the Needlework Guide homepage, which gathers stitch references, charted patterns and project ideas for several needlework crafts. For a dependable yarn join, use those references to understand the fabric and fibre, practise on the actual yarn, and judge the result by strength and flexibility rather than appearance alone. A sound splice should pass through the needle like the surrounding yarn, with no knot, lump or snag to interrupt the fabric.