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Line up the corners and check that both edges have the same stitch count before you start any seam.
Before you start: Slip stitch · Single crochet
Choose by the join you want
| Join | How to place the pieces | What to check |
|---|---|---|
| Whipstitch | Hold right sides together; sew through matching edge loops. | Turn right side out and inspect the ridge. |
| Slip-stitch join | Hold matching edges together; slip stitch through a loop from each edge. | Keep the active loop loose enough that the seam can lie flat. |
| Single-crochet join | Hold wrong sides together for a visible front ridge. | Match corners before working single crochet through both edges. |
Work a slip-stitch seam
- Align the corners and place markers through corresponding stitches. Use matching stitch counts.
- Put a slip knot on the hook. Insert through one edge loop on each piece, yarn over and draw through both edges and the active loop.
- Repeat through each matching pair. Keep the loops the same size as the fabric’s edge loops.
- Fasten off and weave both tails into the backs of stitches. Open the seam and check it on both faces.
Join rows to stitches
A row edge and a top edge usually contain different counts. Divide both edges into matching sections with markers. Distribute attachments within each section instead of assuming one row equals one stitch.
If the join waves, undo the short section and reduce crowded attachments. If it draws in, add attachment points or loosen the joining stitch. Confirm the effect on the actual fabric before continuing.