If you’ve ever stared at a flat embroidery project and wondered how to add tiny, polished details that don’t bulk up the fabric (no lumpy knots ruining your sleek design), you’re in the right place. I’m a flat embroidery supplier, and I get it—too many tutorials act like French knots are the same for every style, but flat embroidery is all about subtlety. These knots are perfect for adding little flourishes: think stamen on a tiny daisy, dots on a ladybug’s shell, or text details that need to stay flat enough for a tote bag or patch that will sit in a pocket or get washed. Let’s break this down like we’re chatting over a coffee, no stuffy jargon here. Flat Embroidery

First, let’s make sure we’re on the same page: flat embroidery is all about lying smooth on the fabric, no extra height, no bulky stitches that make the design pucker. That means French knots for flat work aren’t the tight, super-bulky ones you might see in a canvas embroidery piece. We want small, neat knots that press flat, so they blend into the design without sticking out. If you’ve ever messed up a French knot that ended up too big or lopsided, it’s probably because you were using the wrong thread weight, pulling too tight, or wrapping the floss too many times. I see this all the time with new stitchers who pick up a random spool of thread and don’t adjust for the knot size.
Let’s start with the supplies you actually need—no fancy gear required, just stuff most of us already have for flat embroidery. First, thread: stick to medium-weight thread for most projects. For flat work, I prefer 6-strand cotton embroidery floss, but pull out 1 or 2 strands instead of the full 6. Full 6-strand is too thick, and you’ll end up with a knot that’s bigger than it needs to be, which will make the design look puffy. If you’re working on finer fabric, even 1 strand works. Then, a needle: use an embroidery needle with a sharp point and an eye that’s just big enough for your thread. A too-big eye will fray your floss, and a too-small needle will bend or break. Last, your fabric and a pair of small scissors—thread snips work way better than regular craft scissors for cutting floss close to the knot.
Now, the step-by-step method, simplified. Let’s walk through it slow, because I know rushing here is where people mess up. First, thread your needle: pull a length of floss (about 12-18 inches long—any longer, and it will fray as you stitch) and thread your needle. Tie a tiny knot at the end of the floss—we’re not making a big knot here, just enough to keep the floss from pulling through the fabric. Next, bring the needle up through the back of your fabric to the front, at the spot where you want your French knot. Hold the tail of the floss tight against the back of the fabric with your thumb, so it doesn’t pull through as you work. Here’s the key part: wrap the floss around the needle. For flat knots, 1 or 2 wraps is all you need—any more than that, and your knot will get too big and bulky. Most of the time, 1 wrap works for tiny details like daisy stamen, while 2 wraps works for slightly bigger dots on a ladybug. Wrap the floss away from the eye of the needle, not toward it—this avoids twisting the floss into a messy knot. Now, hold the wrapped floss tight against the needle with your index finger, and pull the needle back down through the fabric, right next to where you came up. Pull slowly and evenly, so the knot forms right against the front of the fabric. Once the knot is tight enough, tug gently on the working thread (the one coming from the needle) to make sure it sits flat, no bumps. Then, pull the needle all the way through to the back of the fabric, and snip the floss tail close to the fabric. That’s it.
Wait, let’s talk about common mistakes I see every single day as a flat embroidery supplier, because these are the things that turn a good knot into a disaster. First, wrapping too many times. I’ve had customers message me saying their knots are all puffy and won’t lay flat, and 9 times out of 10, they wrapped the floss 3 or 4 times. Less is more here—1 or 2 wraps is the sweet spot for flat work. Second, pulling too tight. If you yank the needle too hard, the fabric will pucker around the knot, which ruins the whole flat look. Pull just enough to make the knot neat, not so tight it distorts the fabric. Third, not holding the tail. If you don’t pinch the tail against the back of the fabric, it will pull through as you work, leaving a hole in your design. Fourth, using the wrong thread weight. Heavyweight thread (like sewing machine thread) is too thick, and thin embroidery thread (like cross-stitch floss for fine fabric) won’t hold a neat knot. For most flat projects, 2 strands of standard embroidery floss is perfect.
Now, tips to make your French knots look even better, specifically for flat embroidery. If you’re working on a light-colored fabric, use matching thread so the knots blend in—no one will even notice them until they’re super close. For darker fabrics, a slightly lighter thread works if you want the knots to pop. If you’re making a bunch of knots (like a field of tiny daisies), space them evenly, and keep the size consistent. Mixing sizes will look messy and uneven. If you’re working on a stretchy fabric (like a hoodie or tote bag that will be carried around), make sure your knots are tight enough that they won’t come undone when the fabric stretches, but not so tight they pucker. Another trick: if you have a knot that’s a little lopsided, use the tip of your needle to gently press the knot flat against the fabric after you pull it through. That helps it lay smoother.
Wait, what about when you’re learning? Don’t stress if your first few knots are messy. I still mess up a knot every now and then when I’m testing new flat embroidery designs—practice makes perfect, and the more you do it, the faster you’ll get. If a knot turns out too big, just snip it and redo it. It’s way easier to fix a bad French knot than to redo a whole design.
Now, why French knots matter for flat embroidery, beyond just adding details. Flat embroidery is huge right now—brands are using it for patches, apparel, and accessories because it’s durable, lightweight, and has that handcrafted look that machines can’t replicate. French knots add that little extra texture that makes a design feel personal, without being bulky. They’re also way easier to do than you might think, once you get the hang of the wrapping and pulling part.
As someone who supplies flat embroidery materials, I know how frustrating it is when a tutorial makes something simple sound complicated. I’ve had customers tell me they tried to do French knots for their first patch and ended up with a mess, so they switched to other stitches, but now they’re ready to give it another try. That’s why I wanted to write this—no fancy terms, no step that skips over the important parts, just real advice that works for flat embroidery specifically, not just regular embroidery.
If you’re working on a big project, like a custom logo patch or a line of embroidered tote bags, making your French knots consistent is key. That’s why a lot of my wholesale customers come back to me for flat embroidery supplies—we carry thread in all the right weights, sharp embroidery needles, and even pre-cut fabric blanks that make it easy to practice your knots before you start the real project. We also have tips for bigger projects, like how to stitch multiple knots in a row without getting your thread tangled, which is a huge time-saver when you’re doing bulk orders.
Another thing I want to mention: when you’re finishing a design, the back of the fabric should look just as neat as the front, which is a big part of flat embroidery. When you pull the needle through to the back after a French knot, make sure the tail is short enough that it won’t catch on anything when the item is used. If you’re working on a item that will be washed, make sure to tie a small knot at the end of the tail on the back, so it doesn’t fray or come undone in the wash.
Wait, let’s circle back to the basics. Let’s recap the steps so it’s easy to reference:
- Thread your needle with 1-2 strands of floss (cut to 12-18 inches).
- Tie a tiny knot at the end of the floss.
- Bring the needle up from the back of the fabric to the front, at your desired spot.
- Pinch the floss tail tight against the back with your thumb.
- Wrap the floss 1-2 times around the needle, away from the eye.
- Hold the wrapped floss tight with your finger, pull the needle straight back down through the fabric right next to where you came up.
- Pull slowly until the knot is neat and flat, then pull the needle through to the back.
- Snip the tail close to the fabric.
That’s it. No extra steps, no fancy tricks. If you’re still struggling, try practicing on a scrap of fabric first—any old cotton fabric works, just to get the feel of wrapping the floss and pulling. Once you get the hang of it, you can move on to your real project.

Now, when you’re ready to stock up on flat embroidery supplies, or need help with a specific project, don’t hesitate to reach out to us. We’re here to help with everything from choosing the right thread for your knots to troubleshooting tricky fabric or stitch issues. Whether you’re a hobbyist making a small patch or a brand doing a bulk apparel order, we’ve got you covered.
Toothbrush Embroidery References:
- Reader’s Digest Complete Guide to Needlework. The Reader’s Digest Association, Inc., 1979.
- Flat Embroidery: A Modern Guide to Timeless Stitches. Craft Books Press, 2021.
- Embroidery for Beginners: Step-by-Step Techniques for Every Stitch. Storey Publishing, 2018.
Dongguan Kailin Technology Co., Ltd.
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