TUTORIAL: How to apply bias binding neatly (to the neckline, armholes, or edges)

Bias is the little magic touch that gives a neat, professional finish to your projects. Whether for a neckline, an armhole or simply to finish a fabric without lining, a well-applied bias makes all the difference. Here is a simple, effective guide to get it right the first time... and enjoy it!

REQUIRED MATERIALS

• Pre-folded bias or homemade bias
• Pins or clips
• Sewing machine
• Iron
• (Optional) Bias foot

STEP 1 — Prepare your bias

If you’re using a homemade bias, make sure it’s cut on the bias of the fabric or in the stretch (for jerseys). It should be supple, slightly stretchy, and pre-folded at its center.

STEP 2 — Pin the bias to the garment

Important tip before you start

To obtain a clean junction at the end, do not start attaching the bias where the two ends will meet.

This will give you plenty of room to close the bias neatly at the end.

Place your garment right side facing you.
Open your bias and align the raw edge of the fabric with the edge of the bias, right sides together.

Tip: start at the shoulder seam for necklines, or under the arm for an armhole, to hide the bias junction.

Pin or clip all the way around without stretching the main fabric.
The bias itself should be slightly stretched, but never the fabric underneath.

STEP 3 — Sew the first seam

Sew in the fold of the bias.
Go slowly around curves to avoid puckering.

STEP 4 (Optional) — Remove batting

If your project is made in quilting cotton, a small extra step will make the finish much neater: remove a thin layer of batting from the seam allowance. This reduces bulk, avoids lumps and allows the bias to follow the curve smoothly.

STEP 5 — Fold the bias and press

Fold the bias to the inside of the garment.
The raw edge must be completely enclosed.

Press gently to flatten the curve well: this is the step that REALLY gives a clean finish.

STEP 6 — Topstitching

Two options depending on the desired look:

1. Simple topstitch (visible)

Topstitch 2–3 mm from the edge to hold the bias in place. It’s neat, strong and quick.

2. Invisible inner stitch

You can also sew in the inner fold of the bias to hide the stitching on the outside.

STEP 7 — Deal with the bias junction

When you reach the end of the application, you need to close the loop neatly. Here’s a simple, neat method:

1. Leave an overlap of about 2 to 3 cm between the two ends of the bias.

2. Fold the final end of the bias about 1 cm to the inside (wrong side).
This small fold will hide the raw edge.

3. Slide the other end of the bias inside the folded end, like into a small “pocket”.

4. Adjust the length to avoid unnecessary bulk.

5. Continue sewing to close the junction: the folded edge gives a clean, flat finish.

PRO TIPS FOR IMPECCABLE BIAS

• Press BETWEEN each step, even if it seems long: the difference is incredible.
• On tight curves, make small notches in the seam allowance to help turn.
• If your bias puckers, it’s often because it wasn’t stretched enough when pinning.
• For jerseys: use a stretch or jersey needle to avoid skipped stitches.

FINAL NOTE

Once you master applying bias, you’ll start using it EVERYWHERE — it’s neat, professional and completely changes the look of a garment. You can now proceed with confidence, whether for a delicate neckline or to add a refined touch to a simple project.