Free Crochet Scarf Pattern as Ruffled Curtain Boomerang Keyhole Scarf

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This is a free ruffled Boomerang Keyhole Scarf Crochet Pattern made with double crochet stitches in a boomerang asymmetrical shape, as well as worsted yarn.

Scarf Crochet Patterns do not have to look boring or be a straight rectangles. Many crochet scarf patterns have special features, characteristics, and even pockets. In fact, I prefer scarf patterns that are eye-catching and make you feel special and unique, more than you already are.

This unique ruffled curtain-like boomerang keyhole scarf is exactly that. It is shaped like a boomerang, aka an asymmetrical triangle scarf that has several keyholes on the long edge such that you can pull the short end through and ruffle it up and make it look like a curtain.

Boomerang scarf crochet patterns are super beautiful, yet unique and special that I designed several of them already.

This boomerang keyhole scarf is much easier than you might think though. It increases by 1 stitch per row, but to create the boomerang shape, you increase by 3 stitches on one edge and decrease by 2 stitches on the other edge.

The entire ruffled boomerang keyhole scarf is made with double crochet stitches using 6 different, yet similar colors, to create a multi-colored ombre curtain-like scarf crochet pattern.

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Ready to make this one?

Curtain Boomerang Keyhole Scarf Crochet Pattern

Scarf Crochet Patterns

Well, this Curtain Boomerang Keyhole Scarf is not my first scarf pattern. I have made 26 other crochet patterns for scarves, cowls, and shawls – many with pockets, reversible, or other fun and unique features.

My new ebooks include all 26 scarf, cowl, and shawl crochet patterns and all organized per category and from beginner to more advanced patterns. And of course, the ebook also comes with lots of videos.

Get the PDF of the Curtain Boomerang Scarf as Ruffled Keyhole Scarf Crochet Pattern

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This pattern is also available as an ad-free, printer-friendly pdf pattern that can be purchased at the links below for only a small fee.

Buy the Crochet Pattern on Ravelry
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If you like scarf crochet patterns, you might like these also:

  1. Easy Boomerang Scarf
  2. Sunset Boomerang Scarf
  3. Fall Scarf with Pockets
  4. Hooded Infinity Scarf with Pockets

So, let me now give you the supplies you need in order to crochet this cute pattern.

How to Crochet Ruffled Keyhole Scarf Pattern

Materials you will need


4 dc’s x 2 rows = 1 square inch (unblocked)


29 inches at the widest width x 53 inches at the straightest length (unblocked)

Stitches used in the pattern

Learn all the basic crochet stitches HERE

Free Written Pattern for the Ruffled Keyhole Scarf

Quick note: This pattern is similar to another crochet scarf pattern of mine which includes a video tutorial. Please see that pattern and video tutorial if you need further assistance.

Scarf Pattern Notes

This pattern follows a 2-row repeat with color changes after every 2 rows. To make the repeat easier to write out and understand, I will call chains and chain spaces stitches.

Each row increases by 1 stitch.

I also did not use a Ch3 as a turning chain, but instead used the Alternative Turning chain as the first counted stitch of every row.

ATC = make 1 sc, then insert hook into the loop close to the next stitch, yarn over and pull up a loop, yarn over and pull through 2 loops.

[1 ATC and 1 dc] as a dec= crochet 1 single crochet in the first st, crochet a half-finished dc (yarn over, insert hook into the stitch, yarn over, pull up a loop, yarn over and pull through 2 loops, stop here). Now yarn over and pull through all the loops from both stitches.

Crochet Boomerang Scarf Pattern

Simply pick 6 colors (more or less if you prefer) and switch colors every 2 rows.

I suggest not cutting your yarn in between and rather carrying it up to the next time you use it and then cut the longer loops on the edge later and weave them in. It saves yarn and creates less yarn tangles.

Ch 9

R1: [1 ATC, 2 dc] in 2nd ch from hook, 1 dc in each st until last 2 sts, 1 dc dec, turn

R2: [1 ATC and 1 dc] as dec, dc in each st until last st, 3 dc in the same st, turn

R3: [1 ATC, 2 dc] in the 1st st, 1 dc in each st until last 2 sts, 1 dc dec, turn

Repeat R2 and R3 until R88 (R88 being the repeat of R2)

Beginning Curtain Boomerang Scarf Crochet Patterns

Crochet Ruffled Curtain Holes for Keyhole Scarf

R89: [1 ATC, 2 dc] in the 1st st, 1 dc in the next 5 sts, (ch 5, sk 5, 1 dc in the next 6 sts) repeat 7 times, 1 dc, 1 dc dec, turn

Repeat R2 and R3 again until you have 96 rows

Fasten off and weave in all the ends.

Boomerang Keyhole Scarf Crochet Pattern

How to Wear the Curtain Boomerang Scarf as a Ruffled Keyhole Scarf

You can wear this curtian-like Boomerang Keyhole Scarf Crochet Pattern by pulling the short end of the scarf through the keyholes of the long edge of the boomerang scarf. Or you can simply wrap it around your neck like a normal boomerang scarf. The choice is yours.

Ruffled Curtain-like Boomerang Keyhole Scarf Crochet Pattern

Be sure to join my Crochet Facebook Group and show off your crochet creation. I would love to admire them and cheer you on as you’re working on creating it and after you finished it.

I’m also always here to support you through this and any other pattern and tutorial. Simply ask in my group and me and other amazing and kind crocheters will help you along.

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Free Curtain-like Boomerang Keyhole Scarf Crochet Pattern
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