Knit 1 Under Loose Strand (K1 ULS) Textured Knitting Stitch Tutorial and Tea Cosy Pattern Ideas

If you're looking to add depth, dimension, and visual interest to your knitting projects, the Knit 1 Under Loose Strand technique; often abbreviated as K1 ULS, is a must-try.

What Is Knit 1 Under Loose Strand (K1 ULS)?

This clever stitch creates a beautiful diamond-like texture across your work, making it ideal for decorative panels, statement pieces, and characterful designs like those found in TeaCosyFolk’s knitting patterns.

At first glance, the abbreviation K1 ULS might look intimidating, but once you see it in action, it’s surprisingly simple and satisfying. The technique involves working across several rows to build up floating strands (or floaters) on the surface of your knitting. These strands are then incorporated into the work by knitting under them, creating a raised, textured effect that’s both elegant and playful.

Step-by-Step Instructions for K1 ULS

To begin, you’ll lay the floaters on the right side of your work. A typical setup row might look like this:
*K1, bring yarn to front, slip 3 purlwise, take yarn to back, K1; repeat from * to end of row.

This creates horizontal strands across the slipped stitches. After purling back, the next row introduces the K1 ULS:
*K2, Knit 1 Under Loose Strand, K3; repeat to last 3 stitches, K1 ULS, K2.

To perform the K1 ULS, insert your needle under the loose strand before knitting the stitch as usual. This anchors the floater into the knitting, forming a raised diamond texture that pops beautifully on DK yarn.

A helpful video tutorial is included below to guide you through each step of the K1 ULS technique, making it easy to follow along whether you’re a confident beginner or an experienced knitter looking to expand your stitch repertoire.

Tea Cosy Patterns Featuring K1 ULS

This stitch is featured in several TeaCosyFolk knitting patterns, where it adds both texture and storytelling flair. In the Pineapple Tea Cosy, K1 ULS is used extensively to mimic the bumpy surface of a pineapple, giving the cosy a tactile, fruit-inspired finish. It’s a brilliant example of how stitch choice can bring a theme to life.

Pineapple Tea Cosy using Knit 1 Under Loose Strand (K1 ULS) for textured diamond stitch effect.

Close-up of Knit 1 Under Loose Strand (K1 ULS) stitch showing raised diamond texture.

In the Virgin Queen Tea Cosy, the technique is used more subtly to enhance the regal detail of Queen Elizabeth I’s gown. The raised strands evoke the richness of Tudor embroidery and embellishment, adding historical depth to the design.


Meanwhile, in the Posting a Letter Tea Cosy, K1 ULS is used sparingly to create a rick-rack effect, like snowy edging cascading down the cosy’s surface. It’s a clever way to add seasonal charm without overwhelming the design.


Whether you're creating a full textured panel or adding a decorative flourish, Knit 1 Under Loose Strand is a versatile stitch that elevates your knitting. It’s quick to learn, fun to knit, and perfect for adding detail to tea cosies, accessories, and more. Try it out in your next project and discover how a few floaters can transform your fabric into something truly special.

Want to explore more stitches, techniques, and tips for bringing your tea cosies to life?

Visit the Cosy Companion Guidebook; TeaCosyFolk’s dedicated hub for tutorials, stitch guides, and behind-the-scenes insights. From textured stitches like K1 ULS to scallop edges and bubble stitch the Guidebook is packed with helpful resources to support your knitting journey.














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