How to Make Clip in Hair Extensions Step-by-Step Guide
A retail clip-in set is just three things: wefted hair, snap clips, and the stitching that joins them. All three are cheap to buy separately, and the sewing is beginner-level — which is why making your own clip-ins is both the budget route to a custom set and one of the most common first products for a new hair seller. You control the hair quality, the widths fit an actual head instead of a one-size template, and a set you assemble from a wholesale bundle typically costs a fraction of the same set at retail. Here is the full process.
What you need
- Wefted human hair (machine weft). One or two bundles, 100 grams each. Machine weft is the sturdy, sewn track sold by virtually every wholesale vendor — do not use hand-tied weft for clip-ins, as it is too delicate to carry clips. Remy hair (cuticles intact and aligned) tangles far less over the life of the set; our raw vs. virgin hair guide decodes the other grading terms vendors use.
- Wig clips. Snap-comb clips, usually 28–32 mm, with a silicone strip on the inside — the silicone grips hair without biting it. A full set uses roughly 20–30 clips; buy them by the bag.
- Thread and needle. Heavy-duty polyester or nylon weaving thread, color-matched to the weft, and a standard or slightly curved hand needle.
- Sharp scissors and a soft tape measure.
- Optional: weft sealer (or clear fabric glue) to paint along cut track edges so they never shed.
Step-by-step
Step 1: Plan the set and measure the head
Measure straight across the back of the head where each weft will sit. A typical full set for an adult works out to 6–8 wefts: one wide weft of 7–8 inches for the area between the nape and the ears, one or two of 6–7 inches for above the ears, a couple of 4–5 inch wefts for the sides, and two small 1–2 inch pieces for the temples. If the set is for you, measure your own head; if you plan to sell sets, these standard widths fit most buyers. Aim for 100–160 grams of hair total — less looks thin at the ends, and thick-haired wearers may need more to blend.
Step 2: Cut the weft to width
Machine weft comes as one long track. Cut it to your measured widths with sharp scissors, cutting cleanly through the stitched track. Immediately seal each cut end — a dab of weft sealer or fabric glue, or a few tight overhand stitches with your thread — because an unsealed machine-weft end will shed hair from day one and never stop.
Step 3: Stack wefts for the wide pieces
Retail sets get their fullness from stacked (double-layered) wefts, and yours should too: place one cut weft directly on top of another of the same width and sew the two tracks together along their length with a simple running stitch or whipstitch. Stack the back wefts (the 6–8 inch pieces) and leave the small side pieces single-layer — the sides of the head have less natural hair to hide bulk under. Stacking doubles volume without adding width, which is exactly where homemade sets usually beat cheap retail ones.
Step 4: Sew on the clips
Clips are sewn to the track side of the weft, silicone strip facing away from the weft so it will sit against the wearer's hair. Every wig clip has a row of holes along each edge: hold the clip's top edge flush with the track and whipstitch through those holes and around the track several times per hole, then anchor with a few knots. Spacing rule: one clip at each end of the weft, then one every 2–2.5 inches between — so an 8-inch weft carries 4 clips, a 6-inch weft 3, and the little temple pieces 1 each. Sew clips in their open position so the stitching never blocks the snap action, and test each one: it should snap shut with a firm click and not rotate on the track.
Step 5: Finish and quality-check the set
Snap every clip open and shut a few times, tug each one to confirm the stitching holds, and brush the full set from ends to roots checking for shedding at the cut edges. If any track edge sheds, reseal it now. A finished set stores brushed and clipped shut, flat in a box or hung from the clips — the same care routine as any human-hair extensions applies from here.
Wearing what you made
Installation is its own skill — sectioning from the nape upward, backcombing the root for grip, widest wefts at the back — and we cover it separately in how to put in clip-in extensions in 5 easy steps. One safety note belongs in both guides: a weft that hangs painfully from too little hair, day after day, can cause traction alopecia — hair loss from chronic pulling that the American Academy of Dermatology describes in its hairstyle guidance. Well-made clip-ins removed nightly are one of the gentlest methods there is; heavy, badly-placed ones are not.
Making sets to sell
Clip-in sets are a natural first product for a hair business: the raw materials come from the same wholesale bundles you would already stock, assembly needs no equipment beyond a needle, and finished sets are easier to ship than wigs. If that is your goal, source bundles through the community's free list of 50+ wholesale hair vendors and vendor reviews (sample a vendor before any bulk order), and read whether you need a business license and how to brand your hair line before you list anything for sale.
FAQ — frequently asked questions
How much hair do I need for one full set?
100–160 grams for a standard full head — in practice one to two 100-gram bundles, since stacking the back wefts consumes track quickly. Longer lengths need more grams to keep the ends looking full.
What clips should I buy?
Standard snap-comb wig clips with a silicone grip strip, in the 28–32 mm range, color-matched roughly to the hair. Avoid bare metal clips with no silicone — they slide in fine hair and shear it in coarse hair.
Can I use glue instead of sewing?
Sewing is the durable method and the one that survives washing. Some makers tack clips with fabric glue before stitching to hold position, which is fine — but glue-only clips fail at the first wash or the tenth wear.
How long does a first set take?
Plan on 1–2 hours for your first set, most of it clip-sewing. Once the stitch is familiar, experienced makers finish a set in well under an hour — which is what makes selling them viable.