Explore guide
Join edges with mattress-style seaming
Join corresponding edge bars while keeping the seam allowance consistent. Tighten short sections gradually and preserve the fabric’s natural length.
Related lessons and tools
Join corresponding edge bars while keeping the seam allowance consistent. Tighten short sections gradually and preserve the fabric’s natural length.
Before you start
Use smooth, light yarn and a small sample that matches the lesson’s flat or circular construction. Mark the right side and record the starting stitch count. Follow the pattern’s own stitch key.
How to do it
- Lay the two pieces right side up with row ends facing. At the same distance from each edge, find the horizontal bar between the first two stitch columns. Pass the sewing needle under one bar on the first piece, then the matching bar on the second.
- Continue upward, alternating sides. After a short section, draw the seam closed gently; keep the original row length. Open it back up if a marker is pulled higher on one side.
Try this example
Seam two 20-row samples and mark every fifth row on both. Align the markers before tightening; if one side has more rows, plan an even distribution rather than bunching the end.
Check your result
- Count live stitches, trace one column and inspect both faces. Compare the relaxed edge with the middle of the sample before repeating the operation on a project.
- Stitch names and mounts vary between knitting styles. Follow the required fabric structure and pattern key rather than assuming every front loop is the correct entry point.
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