How to Saddle Stitch: A Complete Guide

Introduction to Saddle Stitching

Saddle stitching is the gold standard for hand-stitching leather goods, and it's the only method I use in my own workshop. Unlike machine stitching, it creates a seam that will genuinely last for decades. In this guide, I'll walk you through the process the way I do it myself, saddle stitching a leather wallet from start to finish.

What You'll Need

Before you start, gather these tools and materials - the same ones I keep on my own bench:

Leather: 2-3oz veg-tan leather for the exterior, 1-2oz for card slots
Thread: waxed linen thread (0.6mm or 0.8mm)
Needles: two blunt harness needles
Pricking irons: 4mm spacing works well for wallets
Awl: diamond or round awl for piercing
Cutting tools: a sharp knife or rotary cutter
Edge beveller and burnisher
Ruler and cutting mat
Stitching pony or clamp (optional, but I find it helps)

Step 1: Prepare Your Leather Pieces

Cut your wallet pieces to size from your pattern. For a basic bifold wallet, you'll typically need:

Main body piece
4-6 card slot pieces
Interior pocket pieces (optional)

Step 2: Mark Your Stitch Line

Using a wing divider or ruler, mark a consistent stitch line about 3-4mm from the edge of your leather. This keeps your stitches straight and evenly spaced from the edge - I still mark this line on every single piece, even after years of doing it.

Step 3: Punch Your Stitch Holes

Place your stitching chisel along the marked line and tap it firmly with a mallet to create evenly spaced holes. Work in sections, making sure the last prong of each set lines up with the first hole of the next, so the spacing stays consistent. Keep the chisel dead upright and take your time here - rushing this step is the fastest way to end up with a wandering stitch line, and I've done it more than once.

Pro tip: where you can, punch through all the layers at once - it's the surest way to get everything lining up.

Step 4: Prepare Your Thread and Needles

Cut a length of thread around four times the length of your seam - that's the rule of thumb I still use, and it leaves enough to finish the job without running short. Thread a needle on each end, pulling about 4 inches through each needle eye, then secure.

Step 5: The Saddle Stitch Technique

Here's the sequence I follow every time:

1. Start the stitch: push one needle through the first hole from the back, pulling until you have equal thread on both sides
2. Cross the needles: pass the left needle through the second hole from front to back
3. Complete the lock: pass the right needle through the same hole from back to front, going through the loop created by the right thread
4. Pull tight: pull both threads firmly and evenly to create a tight, flat stitch
5. Repeat: continue this pattern - left needle through from front, right needle through from back - for the whole seam

Key technique: keep the same crossing pattern throughout (left over right, or right over left) - consistency is what makes the line look even. Pull each stitch at a slight angle away from the seam to keep the tension steady.

Step 6: Finishing Your Seam

When you reach the end of the seam:

1. Backstitch 3-4 stitches by reversing direction
2. Trim the thread close to the leather
3. Carefully melt the thread ends with a lighter to seal them (be quick, or you'll scorch the leather)
4. Press the melted ends flat with the side of the lighter or a smooth tool

Step 7: Finishing Touches

Once everything is stitched together:

i) Sand the edges smooth if needed
ii) Apply edge paint or burnish the edges with water and friction
iii) Condition the leather with a decent leather conditioner

Common Mistakes to Avoid

Inconsistent tension: pull every stitch with the same firmness - it's the difference between a seam that looks deliberate and one that looks uneven.

Thread too short: better to have too much than to run out mid-seam. I always cut long.

Skipping the backstitch: this is what secures your work and stops it unravelling - don't leave it out to save thirty seconds.

Rushing the process: saddle stitching is meditative once you settle into it - take your time.

Why Saddle Stitching is Superior

Unlike machine stitching, which relies on two separate threads, saddle stitching uses one continuous thread that locks at every stitch. If one stitch breaks, the rest hold. It's that durability, alongside the handmade look, that's kept me using this method for everything that leaves my workshop.

Practice Makes Perfect

Your first saddle-stitched wallet won't be perfect - mine wasn't. Every project sharpens your technique, your tension control, and your speed a little more. Part of the appeal of handmade leather goods is that character - the odd slight imperfection tells you a person actually made it.

Gather your tools, take your time, and let the process teach you as you go.