What is visible mending, and how do I do it?

Rows of running stitch worked over a backing patch, why the rows must be offset, and how far past the damage the stitching has to reach.

Difficulty: beginner
Time: 1 hr
Read: 4 min

Short answer

Put a patch of similar-weight fabric behind the worn area, extending 2 to 3cm past anything thin, then work parallel rows of running stitch straight across the whole patched area in a contrasting thread, about 5mm apart, offsetting each row by half a stitch so the stitches do not line up in columns.

Visible mending stops pretending the damage is not there and reinforces a whole area rather than one hole. It is stronger than an invisible repair on worn cloth for a simple reason: it distributes the load across a wide area of sound fabric instead of concentrating it at the edge of the damage. It also happens to look deliberate, which an unsuccessful invisible mend never does.

What you'll need

A backing patch of similar-weight woven fabric
Sashiko or embroidery thread, or doubled ordinary thread
A long sharp needle with a large eye
An embroidery hoop (optional)

A visible mend: patch behind, rows of running stitch across the hole

Step by step

Find the real edge of the damage.Hold the garment up to the light. The thin area is always bigger than the hole. Mark a line 2 to 3cm outside anything that looks translucent — that is the area the mend has to cover, and stitching only to the hole simply moves the tear outwards.
Cut a backing patch bigger than that line all round.Similar weight and similar fibre. Much heavier fabric makes a stiff plate that the surrounding cloth then tears around. Round the corners.
Finish the patch edges.Pinked, overlocked, or turned under and pressed. A raw-edged patch frays away inside the garment in the wash and the mend loosens.
Tack the patch on from the right side.Large temporary stitches holding the patch flat behind the damage. Keep the grain of the patch running the same way as the garment's.
Trim any long loose threads across the hole.Anything hanging will catch in the stitching. Threads still attached at both ends can be left and stitched over.
Work rows of running stitch across the whole area.Straight, parallel lines about 5mm apart, running the full width of the patch and out onto sound fabric at both ends. Stitches roughly 3 to 4mm long, with the gaps a little shorter than the stitches.
Offset each row by half a stitch.This is the part that matters. If the stitches line up in columns, you have created a perforated line and the fabric will fold and tear along it. A brick pattern spreads the load.
Keep the tension loose.The thread should lie on the fabric, not pull it. Pulled-up rows gather the garment and the mend puckers permanently.
Add a second set of rows at right angles if it needs more.Over a hole rather than a worn patch, crossing the first set gives a woven surface that bridges the gap.
Remove the tacking and press.Press from the wrong side over a cloth. Wash it normally afterwards — the mend should look part of the garment, not applied to it.

Tips

Work rows in the direction of the strongest threads of the fabric, usually up and down the garment on denim.
A contrasting thread is easier to sew evenly than a matching one, because you can see what you did.
Thread that is too thick will not pull through denim easily. Sashiko thread or two strands of embroidery cotton is about right.

Common mistakes

Stitching only over the hole itself — The fabric right at the hole is worn out. Anchoring stitches into it puts load on the weakest cloth in the garment and the hole simply grows around the mend.
Lining the stitches up in neat columns — A column of stitch holes is a perforated line. The fabric folds along it and eventually tears along it. Offset every row by half a stitch.

If it doesn't work

The mended area puckers and pulls

Cause: Stitching worked too tight — Fix: Unpick and rework with the thread lying on the surface rather than pulled up. A hoop helps hold the fabric flat.

The hole spread past the mend

Cause: Patch and stitching did not reach sound fabric — Fix: Extend the patch and add more rows outwards until you are stitching into cloth that does not look thin against the light.

Patch edges show as a ridge

Cause: Heavy backing fabric, or square corners — Fix: Use lighter backing with rounded corners and press over a cloth.

Threads pulled out in the wash

Cause: Ends not secured — Fix: Start and finish with a few backstitches inside the stitched area rather than a knot, and bury the tail between the layers.

Questions people ask

Is this stronger than a machine repair?

Not stronger per stitch, but usually more durable in practice, because it covers a large area of sound fabric rather than concentrating stitching at the edge of the damage. On worn knees and elbows, area beats stitch strength.

Does it survive a washing machine?

Yes, if the patch edges are finished and the thread ends are secured properly. Wash it as you would the garment; a first wash usually softens the mend and makes it sit better.