If I come back to this again and again when explaining sashiko stitching, and even in some the product descriptions on my website,  it is because it worries me! If you don't leave some slack (looseness) in the thread on the back of your sashiko stitching the fabric will pucker...

I've been writing about Kuguri Sashiko recently, and if you have been feeling interested in trying it, here is a simple first project to learn how.

I know.   You were all set to try a kuguri-sashi sashiko stitching project, but then...

 How much thread do you need for these preprinted Kuguri-sashi fabrics?

Basic technique for Kuguri-sashi explained

Kuguri-sashi is one-stitch sashiko stitching and a needle weaving technique combined in a two step process to create beautiful textured cloth...