How to Keep a Hood With Long Costume Ears From Sliding Back: Sew a Casing and Rebalance the Ears

Put on the complete garment with its usual fastenings closed. Position the hood where you want its front edge to sit. Use a few contrasting basting stitches to mark the center front and each ear’s starting position, then turn your head and walk a short distance.

Repeat while supporting the ears with your hands without lifting the hood itself. This comparison is an editorial diagnostic suggestion: it separates problems that can look alike in a mirror.

What you observe	What to investigate first
The hood slips even while the ears are supported	Hood dimensions and face-opening adjustment
The hood stays put until you release the ears	Ear placement, weight, and base attachment
The front edge stays put but the ears fold backward	Ear structure or a rotating ear base
The garment neckline moves backward with the hood	Hood-to-garment fit before adding a tighter opening

Record the first movement you see. For example, “left ear base folds, then the hood turns” gives you a useful starting point. “Everything falls back” does not tell you which seam to change.

A hood that pulls backward is not automatically too large. It may lack the height or room needed to reach its intended position. Twig + Tale’s designer instructions treat hood height and back width as separate adjustments, using an over-the-head measurement to assess height and a different alteration to add room at the back. Those instructions apply to its named patterns, but the distinction is useful when diagnosing another hood. Twig + Tale: Adjust the Size of a Hood

Try this before changing a seam: bring the front edge into position and check whether the lower hood or garment neckline rises with it. If it does, investigate missing length or an attachment mismatch. Gathering the opening will not add that missing fabric.

If there is clear excess fabric at the crown, test a small reduction with basting. For a simple hood made from a folded rectangle, The Daily Sew demonstrates pinching out the top point and sewing across it. That is a construction-specific alteration, so do not copy it onto a shaped hood without checking the resulting curve. The Daily Sew: Hood with Ears, Horns, Etc.

Keep the original seam allowance intact during fitting. Check the hood from the front and side after each alteration, and confirm that the lining still fits inside the shell. A useful change should improve the worn position without creating a new pull elsewhere.

Do not assume the hood’s existing top seam is the best attachment line. In The Daily Sew’s original tutorial, attaching ears at the seam used to remove the crown point placed them too far back, and they flopped backward. The maker instead determined their location while wearing the hood and measured from the center and finished front edge to match both sides. The Daily Sew’s ear-placement method

If your ears are surface sewn, unpick the attachment stitches and baste them in a slightly more forward position. Compare that arrangement with the original using the same movements. Move both ears together initially; otherwise, position and symmetry become two changing variables.

For ears inserted into seams, inspect the available seam allowance before relocating anything. Do not cut experimental slits. If moving an ear would leave an exposed opening, first establish how that opening will be closed or incorporated into a revised seam.

Treat published placement distances as examples from particular projects. Your finished opening, crown shape, and ear width determine the usable position. Mark measurements only after finding a placement that works on the worn hood.

Upright ears need support appropriate to their fabric and shape. Agni Hogaboom’s original costume tutorial uses interfaced ear pieces and wire supports with short extensions concealed between shell and lining. The designer also reports that the selected wire was heavier than the delicate fleece required—an instructive reason to match the structure to the fabric. Agni Hogaboom: costume workshop sew-along: hat with ears

Inspect the base before replacing the entire support. Does the ear bend along its length, or does the whole ear rotate at its attachment? Those observations suggest different alterations: internal structure for the former, a better-secured base for the latter.

Cosplay Advice’s long-ear construction secures both the fabric ear at the opening and the bent wire base behind it. This provides a documented attachment method to examine when an existing wire-supported ear pivots at its root. The tutorial places the lining over the completed internal construction. Cosplay Advice: How to Make Long Ears Stand Up on a Hoodie

For an existing assembly, open enough lining seam to inspect the attachment. Restore loose fabric stitches and hand-stitch around the support base where the construction permits; keep machine stitching clear of wire. Test before closing the lining. Deliberately floppy ears can retain their soft shape—the alteration should address unwanted movement at their attachment.

A casing is a fabric tunnel containing elastic or a drawstring. The Sewing & Craft Alliance recommends an internal channel about ¼ inch wider than the drawstring, reinforced exits, and threading with a bodkin. It also advises establishing fit before forming a casing and adding a separate casing when the available fabric is insufficient. Sewing & Craft Alliance: Easy Waistband Casings—Elastic and Drawstrings

The following is an adaptation of that casing technique for a hood opening. Gather matching thread, a bodkin, drawstring, and a flexible fabric strip; use bias-cut fabric around a curved opening.

1. Baste the strip inside the opening with its raw edges turned under. Leave its two finished ends open near the lower front corners.
2. Check that the strip follows the curve without pulling the hood out of shape.
3. Stitch along both long edges, preserving a continuous channel.
4. Thread the drawstring through with the bodkin and knot its ends.
5. Gather gradually, distribute the folds evenly, and tie the ends.

For an illustrative ¼-inch-wide flat drawstring, start with a ½-inch clear channel between stitch lines. Add the fabric needed for turned-under edges separately. Test on a scrap first, and do not stitch through the drawstring.

Repeat the original movement check after each alteration: fit, placement, base support, then opening adjustment. Keep the garment fastening and starting hood position consistent. This makes the comparison useful without requiring measurements or special equipment.

If gathering the opening leaves the hood stable but the ears still tilt, return to the ear assembly. If the hood continues sliding as a unit, reopen the fit diagnosis instead of repeatedly shortening the drawstring. If one side moves first, compare the two ear positions and attachments before making another symmetrical alteration.

Once you have a satisfactory arrangement, replace temporary basting with permanent stitches, finish exposed fabric edges, and close the lining. Save the final placement marks on your paper pattern if you plan to remake the hood. The finished construction should combine a suitable hood shape, supported ear bases, and only as much opening adjustment as the fitting test calls for.

• Easy Two-Piece Halloween Costume: Part 1 Hood with Ears, Horns, Etc. — The Daily Sew
• Adjust the Size of a Hood — Twig + Tale
• costume workshop sew-along: hat with ears — Agni Hogaboom
• How to Make Long Ears Stand Up on a Hoodie (a step-by-step guide) — Cosplay Advice
• Easy Waistband Casings—Elastic and Drawstrings — Sewing & Craft Alliance