The Invisible Ribbed Bind-Off for 1×1 Rib is an intermediate stretchy invisible bind-off good for toe-up socks. It uses a tapestry needle to create an invisible ribbed edge. Step-by-step illustration included.
Video: Invisible Ribbed Bind-Off for 1×1 Rib – Blog

This is a stretchy bind-off that is great for binding off on toe-up socks.
Instructions
To do the invisible ribbed bind-off, cut a long tail of at least 6 times the circumference of the project you want to bind off. Thread the tail on a tapestry needle.
Set-Up:
– go purlwise into stitch 1 (the stitch closest to the needle-tip)
– go knitwise FROM THE BACK into stitch 2.
Identify stitches 1, 2, 3, and 4. These labels do not change until you finish the repeat.
Repeat:
1) go knitwise into stitch 1, remove stitch from needle
2) go purlwise into stitch 3
3) go purlwise into stitch 2, remove stitch from needle
4) go knitwise FROM THE BACK into stitch 4
An easy mantra to repeat:
1) knit off purl,
2) purl off knit
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