Shell Stitch
a fan-shaped cluster of stitches worked into one stitch, used for scalloped edges and allover lace patterns
Shell stitch is a cluster of several stitches, usually double crochets, worked into a single stitch or space so they fan out into a scalloped shape. It's not one specific abbreviation like "dc" or "hdc"; it's a technique that patterns describe in full ("shell") because the exact stitch count varies by pattern.
There's no US/UK split on the name itself, but since shells are usually built from double crochets, remember that US "double crochet" (dc) is UK "treble crochet" (tr) if you're following a UK-written pattern.
How to work it
- Work to the stitch or space where the shell belongs.
- Work a set number of stitches, most often 5 double crochets, all into that same stitch or space.
- Skip the number of stitches specified by the pattern (this gap is what lets the shell fan out).
- Repeat across the row, spacing shells evenly.
When to use it
Use shell stitch for scalloped edgings, baby blankets, and allover lace fabrics where you want repeating fan shapes rather than a flat, even surface. It pairs well with chain spaces between shells to keep the fabric light instead of dense.